13229863656 has 16 divisors (see below), whose sum is σ = 33074659200. Its totient is φ = 4409954544.

The previous prime is 13229863651. The next prime is 13229863679. The reversal of 13229863656 is 65636892231.

13229863656 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 = 13229863599 and 13229863608.

It is not an unprimeable number, because it can be changed into a prime (13229863651) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 275622136 + ... + 275622183.

It is an arithmetic number, because the mean of its divisors is an integer number (2067166200).

Almost surely, 2^13229863656 is an apocalyptic number.

It is an amenable number.

13229863656 is an abundant number, since it is smaller than the sum of its proper divisors (19844795544).

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

13229863656 is a wasteful number, since it uses less digits than its factorization.

13229863656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551244328 (or 551244324 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 51.

The spelling of 13229863656 in words is "thirteen billion, two hundred twenty-nine million, eight hundred sixty-three thousand, six hundred fifty-six".