317936394636 has 48 divisors (see below), whose sum is σ = 848208877824. Its totient is φ = 90798417216.

The previous prime is 317936394617. The next prime is 317936394667. The reversal of 317936394636 is 636493639713.

It is a self number, because there is not a number n which added to its sum of digits gives 317936394636.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655315 + ... + 1032138.

It is an arithmetic number, because the mean of its divisors is an integer number (17671018288).

Almost surely, 2^317936394636 is an apocalyptic number.

It is an amenable number.

317936394636 is an abundant number, since it is smaller than the sum of its proper divisors (530272483188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317936394636 is a wasteful number, since it uses less digits than its factorization.

317936394636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689710 (or 1689708 counting only the distinct ones).

The product of its digits is 39680928, while the sum is 60.

The spelling of 317936394636 in words is "three hundred seventeen billion, nine hundred thirty-six million, three hundred ninety-four thousand, six hundred thirty-six".