264916813 has 8 divisors (see below), whose sum is σ = 302886720. Its totient is φ = 226978080.

The previous prime is 264916807. The next prime is 264916853. The reversal of 264916813 is 318619462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-264916813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264916853) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14793 + ... + 27361.

It is an arithmetic number, because the mean of its divisors is an integer number (37860840).

Almost surely, 2^264916813 is an apocalyptic number.

It is an amenable number.

264916813 is a deficient number, since it is larger than the sum of its proper divisors (37969907).

264916813 is a wasteful number, since it uses less digits than its factorization.

264916813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15587.

The product of its digits is 62208, while the sum is 40.

The square root of 264916813 is about 16276.2653271566. The cubic root of 264916813 is about 642.2486113482.

The spelling of 264916813 in words is "two hundred sixty-four million, nine hundred sixteen thousand, eight hundred thirteen".