13517716685 has 16 divisors (see below), whose sum is σ = 18736857792. Its totient is φ = 9252768000.

The previous prime is 13517716661. The next prime is 13517716739. The reversal of 13517716685 is 58661771531.

It is a de Polignac number, because none of the positive numbers 2^k-13517716685 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7227791 + ... + 7229660.

It is an arithmetic number, because the mean of its divisors is an integer number (1171053612).

Almost surely, 2^13517716685 is an apocalyptic number.

It is an amenable number.

13517716685 is a deficient number, since it is larger than the sum of its proper divisors (5219141107).

13517716685 is a wasteful number, since it uses less digits than its factorization.

13517716685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14457484.

The product of its digits is 1058400, while the sum is 50.

The spelling of 13517716685 in words is "thirteen billion, five hundred seventeen million, seven hundred sixteen thousand, six hundred eighty-five".