13356389568 has 56 divisors (see below), whose sum is σ = 37198726720. Its totient is φ = 4217806080.

The previous prime is 13356389491. The next prime is 13356389569. The reversal of 13356389568 is 86598365331.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (13356389569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826998 + ... + 1834293.

Almost surely, 2^13356389568 is an apocalyptic number.

It is an amenable number.

13356389568 is an abundant number, since it is smaller than the sum of its proper divisors (23842337152).

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

13356389568 is a wasteful number, since it uses less digits than its factorization.

13356389568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661325 (or 3661315 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 57.

The spelling of 13356389568 in words is "thirteen billion, three hundred fifty-six million, three hundred eighty-nine thousand, five hundred sixty-eight".