13709585907 has 48 divisors (see below), whose sum is σ = 21750834560. Its totient is φ = 8605092672.

The previous prime is 13709585861. The next prime is 13709585921. The reversal of 13709585907 is 70958590731.

It is not a de Polignac number, because 13709585907 - 2⁸ = 13709585651 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13709585957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 743463 + ... + 761679.

Almost surely, 2^13709585907 is an apocalyptic number.

13709585907 is a deficient number, since it is larger than the sum of its proper divisors (8041248653).

13709585907 is a wasteful number, since it uses less digits than its factorization.

13709585907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18414 (or 18402 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 54.

The spelling of 13709585907 in words is "thirteen billion, seven hundred nine million, five hundred eighty-five thousand, nine hundred seven".