315398421664 has 12 divisors (see below), whose sum is σ = 620940642714. Its totient is φ = 157699210816.

The previous prime is 315398421659. The next prime is 315398421721. The reversal of 315398421664 is 466124893513.

It can be written as a sum of positive squares in only one way, i.e., 314169218064 + 1229203600 = 560508^2 + 35060^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4928100307 + ... + 4928100370.

Almost surely, 2^315398421664 is an apocalyptic number.

It is an amenable number.

315398421664 is a deficient number, since it is larger than the sum of its proper divisors (305542221050).

315398421664 is an equidigital number, since it uses as much as digits as its factorization.

315398421664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9856200687 (or 9856200679 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The spelling of 315398421664 in words is "three hundred fifteen billion, three hundred ninety-eight million, four hundred twenty-one thousand, six hundred sixty-four".