812474765426 has 8 divisors (see below), whose sum is σ = 1228015294704. Its totient is φ = 403136333860.

The previous prime is 812474765393. The next prime is 812474765429. The reversal of 812474765426 is 624567474218.

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

It is a super-2 number, since 2×812474765426² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (812474765429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550524100 + ... + 1550524623.

It is an arithmetic number, because the mean of its divisors is an integer number (153501911838).

Almost surely, 2^812474765426 is an apocalyptic number.

812474765426 is a deficient number, since it is larger than the sum of its proper divisors (415540529278).

812474765426 is a wasteful number, since it uses less digits than its factorization.

812474765426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101048856.

The product of its digits is 18063360, while the sum is 56.

The spelling of 812474765426 in words is "eight hundred twelve billion, four hundred seventy-four million, seven hundred sixty-five thousand, four hundred twenty-six".