264684328372815 has 128 divisors (see below), whose sum is σ = 480445815951360. Its totient is φ = 123352662730752.

The previous prime is 264684328372781. The next prime is 264684328372873. The reversal of 264684328372815 is 518273823486462.

It is not a de Polignac number, because 264684328372815 - 2⁷ = 264684328372687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264684328372815.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 44838948154 + ... + 44838954056.

It is an arithmetic number, because the mean of its divisors is an integer number (3753482937120).

Almost surely, 2^{264684328372815} is an apocalyptic number.

264684328372815 is a deficient number, since it is larger than the sum of its proper divisors (215761487578545).

264684328372815 is a wasteful number, since it uses less digits than its factorization.

264684328372815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13233.

The product of its digits is 743178240, while the sum is 69.

The spelling of 264684328372815 in words is "two hundred sixty-four trillion, six hundred eighty-four billion, three hundred twenty-eight million, three hundred seventy-two thousand, eight hundred fifteen".