636113613324 has 36 divisors (see below), whose sum is σ = 1726594094904. Its totient is φ = 181746746496.

The previous prime is 636113613319. The next prime is 636113613337. The reversal of 636113613324 is 423316311636.

It is a happy number.

It is a super-2 number, since 2×636113613324² (a number of 24 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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 11 ways as a sum of consecutive naturals, for example, 540912349 + ... + 540913524.

Almost surely, 2^636113613324 is an apocalyptic number.

It is an amenable number.

636113613324 is an abundant number, since it is smaller than the sum of its proper divisors (1090480481580).

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

636113613324 is a wasteful number, since it uses less digits than its factorization.

636113613324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081825894 (or 1081825885 counting only the distinct ones).

The product of its digits is 139968, while the sum is 39.

The spelling of 636113613324 in words is "six hundred thirty-six billion, one hundred thirteen million, six hundred thirteen thousand, three hundred twenty-four".