13563640676 has 24 divisors (see below), whose sum is σ = 24522145536. Its totient is φ = 6557672160.

The previous prime is 13563640639. The next prime is 13563640693. The reversal of 13563640676 is 67604636531.

13563640676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13563640676.

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 7 ways as a sum of consecutive naturals, for example, 109175 + ... + 197601.

It is an arithmetic number, because the mean of its divisors is an integer number (1021756064).

Almost surely, 2^13563640676 is an apocalyptic number.

It is an amenable number.

13563640676 is a deficient number, since it is larger than the sum of its proper divisors (10958504860).

13563640676 is a wasteful number, since it uses less digits than its factorization.

13563640676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89699 (or 89697 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 13563640676 in words is "thirteen billion, five hundred sixty-three million, six hundred forty thousand, six hundred seventy-six".