13815651368 has 32 divisors (see below), whose sum is σ = 26408860320. Its totient is φ = 6773976000.

The previous prime is 13815651349. The next prime is 13815651379. The reversal of 13815651368 is 86315651831.

13815651368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 118763 + ... + 204293.

It is an arithmetic number, because the mean of its divisors is an integer number (825276885).

Almost surely, 2^13815651368 is an apocalyptic number.

It is an amenable number.

13815651368 is a deficient number, since it is larger than the sum of its proper divisors (12593208952).

13815651368 is a wasteful number, since it uses less digits than its factorization.

13815651368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85929 (or 85925 counting only the distinct ones).

The product of its digits is 518400, while the sum is 47.

The spelling of 13815651368 in words is "thirteen billion, eight hundred fifteen million, six hundred fifty-one thousand, three hundred sixty-eight".