46890...68901 (499-digits)

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

The 2nd prime, (the 1st with prime length), formed from the last digits of the first n composites, i.e., {4, 6, 8, 9, 0, 2, 4, 5, 6, 8, 0, ..., 5, 6, 8, 9, 0, 1}, (case, n = 499). [Loungrides]