264513371657 has 16 divisors (see below), whose sum is σ = 282654892800. Its totient is φ = 246795523920.

The previous prime is 264513371653. The next prime is 264513371693. The reversal of 264513371657 is 756173315462.

It is a cyclic number.

It is not a de Polignac number, because 264513371657 - 2² = 264513371653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264513371653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6256094 + ... + 6298232.

It is an arithmetic number, because the mean of its divisors is an integer number (17665930800).

Almost surely, 2^264513371657 is an apocalyptic number.

It is an amenable number.

264513371657 is a deficient number, since it is larger than the sum of its proper divisors (18141521143).

264513371657 is a wasteful number, since it uses less digits than its factorization.

264513371657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47156.

The product of its digits is 3175200, while the sum is 50.

The spelling of 264513371657 in words is "two hundred sixty-four billion, five hundred thirteen million, three hundred seventy-one thousand, six hundred fifty-seven".