315253464646 has 16 divisors (see below), whose sum is σ = 488865850704. Its totient is φ = 152373763584.

The previous prime is 315253464623. The next prime is 315253464661. The reversal of 315253464646 is 646464352513.

It is a self number, because there is not a number n which added to its sum of digits gives 315253464646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18887215 + ... + 18903898.

It is an arithmetic number, because the mean of its divisors is an integer number (30554115669).

Almost surely, 2^315253464646 is an apocalyptic number.

315253464646 is a deficient number, since it is larger than the sum of its proper divisors (173612386058).

315253464646 is a wasteful number, since it uses less digits than its factorization.

315253464646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37791255.

The product of its digits is 6220800, while the sum is 49.

The spelling of 315253464646 in words is "three hundred fifteen billion, two hundred fifty-three million, four hundred sixty-four thousand, six hundred forty-six".