12645475264 has 28 divisors (see below), whose sum is σ = 25202972200. Its totient is φ = 6295120128.

The previous prime is 12645475247. The next prime is 12645475277. The reversal of 12645475264 is 46257454621.

12645475264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 416754 + ... + 446065.

It is an arithmetic number, because the mean of its divisors is an integer number (900106150).

Almost surely, 2^12645475264 is an apocalyptic number.

It is an amenable number.

12645475264 is a deficient number, since it is larger than the sum of its proper divisors (12557496936).

12645475264 is an equidigital number, since it uses as much as digits as its factorization.

12645475264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863060 (or 863050 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 46.

The spelling of 12645475264 in words is "twelve billion, six hundred forty-five million, four hundred seventy-five thousand, two hundred sixty-four".