13631336642 has 32 divisors (see below), whose sum is σ = 25497897984. Its totient is φ = 5309758800.

The previous prime is 13631336599. The next prime is 13631336657. The reversal of 13631336642 is 24663313631.

13631336642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13631336596 and 13631336605.

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 15 ways as a sum of consecutive naturals, for example, 1180517 + ... + 1192007.

It is an arithmetic number, because the mean of its divisors is an integer number (796809312).

Almost surely, 2^13631336642 is an apocalyptic number.

13631336642 is a deficient number, since it is larger than the sum of its proper divisors (11866561342).

13631336642 is a wasteful number, since it uses less digits than its factorization.

13631336642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19214.

The product of its digits is 139968, while the sum is 38.

The spelling of 13631336642 in words is "thirteen billion, six hundred thirty-one million, three hundred thirty-six thousand, six hundred forty-two".