47519791211

This number is a prime.

                                                                4 7519791211

The lesser member P of the smallest twin prime pair that is the sum of the cubes of the first n primes, e.g., {2^3 + 3^3 + 5^3 + ... + 1061^3}, (case n=178). Curiously, the sod(P) is also prime. [Bajpai]