13393188865 has 24 divisors (see below), whose sum is σ = 18819663552. Its totient is φ = 9123055200.

The previous prime is 13393188827. The next prime is 13393188869. The reversal of 13393188865 is 56888139331.

It is not a de Polignac number, because 13393188865 - 2³¹ = 11245705217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13393188869) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144019 + ... + 218008.

It is an arithmetic number, because the mean of its divisors is an integer number (784152648).

Almost surely, 2^13393188865 is an apocalyptic number.

It is an amenable number.

13393188865 is a deficient number, since it is larger than the sum of its proper divisors (5426474687).

13393188865 is a wasteful number, since it uses less digits than its factorization.

13393188865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362197 (or 362190 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 55.

The spelling of 13393188865 in words is "thirteen billion, three hundred ninety-three million, one hundred eighty-eight thousand, eight hundred sixty-five".