351747440612 has 12 divisors (see below), whose sum is σ = 617780254140. Its totient is φ = 175238796576.

The previous prime is 351747440587. The next prime is 351747440621. The reversal of 351747440612 is 216044747153.

It can be written as a sum of positive squares in 2 ways, for example, as 99689221696 + 252058218916 = 315736^2 + 502054^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158729687 + ... + 158731902.

It is an arithmetic number, because the mean of its divisors is an integer number (51481687845).

Almost surely, 2^351747440612 is an apocalyptic number.

It is an amenable number.

351747440612 is a deficient number, since it is larger than the sum of its proper divisors (266032813528).

351747440612 is a wasteful number, since it uses less digits than its factorization.

351747440612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317461870 (or 317461868 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 351747440612 in words is "three hundred fifty-one billion, seven hundred forty-seven million, four hundred forty thousand, six hundred twelve".