351409904968 has 8 divisors (see below), whose sum is σ = 658893571830. Its totient is φ = 175704952480.

The previous prime is 351409904903. The next prime is 351409904987. The reversal of 351409904968 is 869409904153.

It can be written as a sum of positive squares in only one way, i.e., 349827297444 + 1582607524 = 591462^2 + 39782^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21963119053 + ... + 21963119068.

Almost surely, 2^351409904968 is an apocalyptic number.

It is an amenable number.

351409904968 is a deficient number, since it is larger than the sum of its proper divisors (307483666862).

351409904968 is a wasteful number, since it uses less digits than its factorization.

351409904968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43926238127 (or 43926238123 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 351409904968 in words is "three hundred fifty-one billion, four hundred nine million, nine hundred four thousand, nine hundred sixty-eight".