264625335247 has 32 divisors (see below), whose sum is σ = 355975409664. Its totient is φ = 190701043200.

The previous prime is 264625335167. The next prime is 264625335253. The reversal of 264625335247 is 742533526462.

It is a cyclic number.

It is not a de Polignac number, because 264625335247 - 2²⁷ = 264491117519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264625335247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264625335847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2711029 + ... + 2806942.

It is an arithmetic number, because the mean of its divisors is an integer number (11124231552).

Almost surely, 2^264625335247 is an apocalyptic number.

264625335247 is a deficient number, since it is larger than the sum of its proper divisors (91350074417).

264625335247 is a wasteful number, since it uses less digits than its factorization.

264625335247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518039.

The product of its digits is 7257600, while the sum is 49.

The spelling of 264625335247 in words is "two hundred sixty-four billion, six hundred twenty-five million, three hundred thirty-five thousand, two hundred forty-seven".