264774556913 has 4 divisors (see below), whose sum is σ = 264800048448. Its totient is φ = 264749065380.

The previous prime is 264774556897. The next prime is 264774556933. The reversal of 264774556913 is 319655477462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 264774556913 - 2⁴ = 264774556897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264774556933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12730181 + ... + 12750962.

It is an arithmetic number, because the mean of its divisors is an integer number (66200012112).

Almost surely, 2^264774556913 is an apocalyptic number.

It is an amenable number.

264774556913 is a deficient number, since it is larger than the sum of its proper divisors (25491535).

264774556913 is a wasteful number, since it uses less digits than its factorization.

264774556913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25491534.

The product of its digits is 38102400, while the sum is 59.

The spelling of 264774556913 in words is "two hundred sixty-four billion, seven hundred seventy-four million, five hundred fifty-six thousand, nine hundred thirteen".