13085688344939 has 16 divisors (see below), whose sum is σ = 15541101465600. Its totient is φ = 10781639088480.

The previous prime is 13085688344863. The next prime is 13085688344969. The reversal of 13085688344939 is 93944388658031.

It is a cyclic number.

It is not a de Polignac number, because 13085688344939 - 2²⁸ = 13085419909483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13085688344969) 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, 202325759 + ... + 202390424.

It is an arithmetic number, because the mean of its divisors is an integer number (971318841600).

Almost surely, 2^{13085688344939} is an apocalyptic number.

13085688344939 is a deficient number, since it is larger than the sum of its proper divisors (2455413120661).

13085688344939 is a wasteful number, since it uses less digits than its factorization.

13085688344939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404716370.

The product of its (nonzero) digits is 537477120, while the sum is 71.

The spelling of 13085688344939 in words is "thirteen trillion, eighty-five billion, six hundred eighty-eight million, three hundred forty-four thousand, nine hundred thirty-nine".