36521426631 has 24 divisors (see below), whose sum is σ = 53086683520. Its totient is φ = 22270749984.

The previous prime is 36521426609. The next prime is 36521426671. The reversal of 36521426631 is 13662412563.

It is not a de Polignac number, because 36521426631 - 2⁷ = 36521426503 is a prime.

It is a super-2 number, since 2×36521426631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36521426631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36521426671) 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 23 ways as a sum of consecutive naturals, for example, 332995 + ... + 428868.

Almost surely, 2^36521426631 is an apocalyptic number.

36521426631 is a deficient number, since it is larger than the sum of its proper divisors (16565256889).

36521426631 is a wasteful number, since it uses less digits than its factorization.

36521426631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761943 (or 761914 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The spelling of 36521426631 in words is "thirty-six billion, five hundred twenty-one million, four hundred twenty-six thousand, six hundred thirty-one".