812363265264 has 40 divisors (see below), whose sum is σ = 2189848804992. Its totient is φ = 259014374080.

The previous prime is 812363265179. The next prime is 812363265383. The reversal of 812363265264 is 462562363218.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367917042 + ... + 367919249.

Almost surely, 2^812363265264 is an apocalyptic number.

It is an amenable number.

812363265264 is an abundant number, since it is smaller than the sum of its proper divisors (1377485539728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812363265264 is a wasteful number, since it uses less digits than its factorization.

812363265264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735836325 (or 735836319 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 48.

The spelling of 812363265264 in words is "eight hundred twelve billion, three hundred sixty-three million, two hundred sixty-five thousand, two hundred sixty-four".