812846593344 has 28 divisors (see below), whose sum is σ = 2150656612064. Its totient is φ = 270948864384.

The previous prime is 812846593309. The next prime is 812846593387. The reversal of 812846593344 is 443395648218.

It is a super-2 number, since 2×812846593344² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2116787812 + ... + 2116788195.

Almost surely, 2^812846593344 is an apocalyptic number.

It is an amenable number.

812846593344 is an abundant number, since it is smaller than the sum of its proper divisors (1337810018720).

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

812846593344 is a wasteful number, since it uses less digits than its factorization.

812846593344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233576022 (or 4233576012 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 57.

The spelling of 812846593344 in words is "eight hundred twelve billion, eight hundred forty-six million, five hundred ninety-three thousand, three hundred forty-four".