13609633947896 has 64 divisors (see below), whose sum is σ = 29716179230400. Its totient is φ = 5722992672768.

The previous prime is 13609633947893. The next prime is 13609633947913. The reversal of 13609633947896 is 69874933690631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13609633947893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7835801 + ... + 9413768.

It is an arithmetic number, because the mean of its divisors is an integer number (464315300475).

Almost surely, 2^{13609633947896} is an apocalyptic number.

It is an amenable number.

13609633947896 is an abundant number, since it is smaller than the sum of its proper divisors (16106545282504).

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

13609633947896 is a wasteful number, since it uses less digits than its factorization.

13609633947896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17249848 (or 17249844 counting only the distinct ones).

The product of its (nonzero) digits is 952342272, while the sum is 74.

The spelling of 13609633947896 in words is "thirteen trillion, six hundred nine billion, six hundred thirty-three million, nine hundred forty-seven thousand, eight hundred ninety-six".