351568422472 has 32 divisors (see below), whose sum is σ = 677097571320. Its totient is φ = 171010344960.

The previous prime is 351568422467. The next prime is 351568422481. The reversal of 351568422472 is 274224865153.

It can be written as a sum of positive squares in 4 ways, for example, as 272678218596 + 78890203876 = 522186^2 + 280874^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2245198 + ... + 2396674.

Almost surely, 2^351568422472 is an apocalyptic number.

It is an amenable number.

351568422472 is a deficient number, since it is larger than the sum of its proper divisors (325529148848).

351568422472 is a wasteful number, since it uses less digits than its factorization.

351568422472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159361 (or 159357 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 49.

The spelling of 351568422472 in words is "three hundred fifty-one billion, five hundred sixty-eight million, four hundred twenty-two thousand, four hundred seventy-two".