21594...50941 (46-digits)

This number is a prime.

                          215942 7145867221 9155338873 4587803550 1966850941

The smallest prime p of the form a^b + b^c + c^d + d^e + f where a, b, c, d, e, f are six consecutive primes {7, 17, 19, 23, 29, 31, 37} containing two twin prime pairs {17, 19} and {29, 31}. [Bajpai]