812693626926 has 16 divisors (see below), whose sum is σ = 1626727241424. Its totient is φ = 270674544384.

The previous prime is 812693626909. The next prime is 812693626931. The reversal of 812693626926 is 629626396218.

It is a happy number.

It is a super-2 number, since 2×812693626926² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 812693626926.

It is a congruent number.

It is an unprimeable number.

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, 55824931 + ... + 55839486.

It is an arithmetic number, because the mean of its divisors is an integer number (101670452589).

Almost surely, 2^812693626926 is an apocalyptic number.

812693626926 is an abundant number, since it is smaller than the sum of its proper divisors (814033614498).

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

812693626926 is a wasteful number, since it uses less digits than its factorization.

812693626926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111665635.

The product of its digits is 20155392, while the sum is 60.

The spelling of 812693626926 in words is "eight hundred twelve billion, six hundred ninety-three million, six hundred twenty-six thousand, nine hundred twenty-six".