13700517689 has 8 divisors (see below), whose sum is σ = 13862006280. Its totient is φ = 13539197056.

The previous prime is 13700517671. The next prime is 13700517749. The reversal of 13700517689 is 98671500731.

It can be written as a sum of positive squares in 4 ways, for example, as 135955600 + 13564562089 = 11660^2 + 116467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13700517689 - 2³² = 9405550393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13700517989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126047 + ... + 208059.

It is an arithmetic number, because the mean of its divisors is an integer number (1732750785).

Almost surely, 2^13700517689 is an apocalyptic number.

It is an amenable number.

13700517689 is a deficient number, since it is larger than the sum of its proper divisors (161488591).

13700517689 is an equidigital number, since it uses as much as digits as its factorization.

13700517689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83979.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 13700517689 in words is "thirteen billion, seven hundred million, five hundred seventeen thousand, six hundred eighty-nine".