315633649836 has 12 divisors (see below), whose sum is σ = 736478516312. Its totient is φ = 105211216608.

The previous prime is 315633649813. The next prime is 315633649843. The reversal of 315633649836 is 638946336513.

It is a happy number.

315633649836 is digitally balanced in base 4 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 13151402065 + ... + 13151402088.

Almost surely, 2^315633649836 is an apocalyptic number.

It is an amenable number.

315633649836 is an abundant number, since it is smaller than the sum of its proper divisors (420844866476).

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

315633649836 is a wasteful number, since it uses less digits than its factorization.

315633649836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26302804160 (or 26302804158 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 57.

The spelling of 315633649836 in words is "three hundred fifteen billion, six hundred thirty-three million, six hundred forty-nine thousand, eight hundred thirty-six".