13613765913 has 12 divisors (see below), whose sum is σ = 21451994928. Its totient is φ = 8250767160.

The previous prime is 13613765881. The next prime is 13613765917. The reversal of 13613765913 is 31956731631.

13613765913 is a `hidden beast` number, since 13 + 613 + 7 + 6 + 5 + 9 + 13 = 666.

13613765913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13613765913 - 2⁵ = 13613765881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13613765917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68756295 + ... + 68756492.

It is an arithmetic number, because the mean of its divisors is an integer number (1787666244).

Almost surely, 2^13613765913 is an apocalyptic number.

It is an amenable number.

13613765913 is a deficient number, since it is larger than the sum of its proper divisors (7838229015).

13613765913 is a wasteful number, since it uses less digits than its factorization.

13613765913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137512804 (or 137512801 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The spelling of 13613765913 in words is "thirteen billion, six hundred thirteen million, seven hundred sixty-five thousand, nine hundred thirteen".