13707686465 has 12 divisors (see below), whose sum is σ = 18080552532. Its totient is φ = 9969226080.

The previous prime is 13707686459. The next prime is 13707686507. The reversal of 13707686465 is 56468670731.

It can be written as a sum of positive squares in 2 ways, for example, as 10643842561 + 3063843904 = 103169^2 + 55352^2 .

It is not a de Polignac number, because 13707686465 - 2¹⁰ = 13707685441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11328062 + ... + 11329271.

It is an arithmetic number, because the mean of its divisors is an integer number (1506712711).

Almost surely, 2^13707686465 is an apocalyptic number.

It is an amenable number.

13707686465 is a deficient number, since it is larger than the sum of its proper divisors (4372866067).

13707686465 is a wasteful number, since it uses less digits than its factorization.

13707686465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22657360 (or 22657349 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 13707686465 in words is "thirteen billion, seven hundred seven million, six hundred eighty-six thousand, four hundred sixty-five".