13631604620 has 12 divisors (see below), whose sum is σ = 28626369744. Its totient is φ = 5452641840.

The previous prime is 13631604619. The next prime is 13631604799. The reversal of 13631604620 is 2640613631.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340790096 + ... + 340790135.

It is an arithmetic number, because the mean of its divisors is an integer number (2385530812).

Almost surely, 2^13631604620 is an apocalyptic number.

13631604620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13631604620 is an abundant number, since it is smaller than the sum of its proper divisors (14994765124).

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

13631604620 is a wasteful number, since it uses less digits than its factorization.

13631604620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681580240 (or 681580238 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 13631604620 in words is "thirteen billion, six hundred thirty-one million, six hundred four thousand, six hundred twenty".