13653601836 has 24 divisors (see below), whose sum is σ = 36409605120. Its totient is φ = 3901029072.

The previous prime is 13653601831. The next prime is 13653601859. The reversal of 13653601836 is 63810635631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (13653601831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81271356 + ... + 81271523.

It is an arithmetic number, because the mean of its divisors is an integer number (1517066880).

Almost surely, 2^13653601836 is an apocalyptic number.

It is an amenable number.

13653601836 is an abundant number, since it is smaller than the sum of its proper divisors (22756003284).

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

13653601836 is a wasteful number, since it uses less digits than its factorization.

13653601836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162542893 (or 162542891 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 13653601836 in words is "thirteen billion, six hundred fifty-three million, six hundred one thousand, eight hundred thirty-six".