13634909793 has 64 divisors (see below), whose sum is σ = 20817907200. Its totient is φ = 8817500160.

The previous prime is 13634909791. The next prime is 13634909843. The reversal of 13634909793 is 39790943631.

13634909793 is a `hidden beast` number, since 1 + 3 + 63 + 490 + 9 + 7 + 93 = 666.

It is not a de Polignac number, because 13634909793 - 2¹ = 13634909791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13634909791) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50687263 + ... + 50687531.

It is an arithmetic number, because the mean of its divisors is an integer number (325279800).

Almost surely, 2^13634909793 is an apocalyptic number.

It is an amenable number.

13634909793 is a deficient number, since it is larger than the sum of its proper divisors (7182997407).

13634909793 is a wasteful number, since it uses less digits than its factorization.

13634909793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 54.

The spelling of 13634909793 in words is "thirteen billion, six hundred thirty-four million, nine hundred nine thousand, seven hundred ninety-three".