99113...50949 (297-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

                                                          9911373 9717727717
3840134782 2044779607 7947488447 6496600240 3537519819 2761715997 2512174895
4743367650 8391679140 6391828596 4865807984 8571790607 8102721327 4262865916
6538891189 1966852273 1357942812 3048170090 3864329039 3127193387 9549140725
5447854162 7937175419 6938193129 1714641834 1486119813 8017892563 8087750949

The smallest prime formed from the reverse concatenation of the n-th powers of n consecutive primes, i.e., {4637^n, 4621^n, 4603^n, 4597^n, 4591^n, 4583^n, 4567^n, 4561^n, 4549^n}, (case n=9). [Bajpai]