13620765069265 has 16 divisors (see below), whose sum is σ = 16725202914816. Its totient is φ = 10643094000000.

The previous prime is 13620765069259. The next prime is 13620765069293. The reversal of 13620765069265 is 56296056702631.

It is not a de Polignac number, because 13620765069265 - 2⁹ = 13620765068753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25681765 + ... + 26206765.

It is an arithmetic number, because the mean of its divisors is an integer number (1045325182176).

Almost surely, 2^{13620765069265} is an apocalyptic number.

It is an amenable number.

13620765069265 is a deficient number, since it is larger than the sum of its proper divisors (3104437845551).

13620765069265 is a wasteful number, since it uses less digits than its factorization.

13620765069265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645720.

The product of its (nonzero) digits is 24494400, while the sum is 58.

The spelling of 13620765069265 in words is "thirteen trillion, six hundred twenty billion, seven hundred sixty-five million, sixty-nine thousand, two hundred sixty-five".