13309713815 has 32 divisors (see below), whose sum is σ = 16685962944. Its totient is φ = 10182205440.

The previous prime is 13309713811. The next prime is 13309713827. The reversal of 13309713815 is 51831790331.

13309713815 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 13309713815 - 2² = 13309713811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13309713811) 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 31 ways as a sum of consecutive naturals, for example, 7150985 + ... + 7152845.

It is an arithmetic number, because the mean of its divisors is an integer number (521436342).

Almost surely, 2^13309713815 is an apocalyptic number.

13309713815 is a deficient number, since it is larger than the sum of its proper divisors (3376249129).

13309713815 is a wasteful number, since it uses less digits than its factorization.

13309713815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 13309713815 in words is "thirteen billion, three hundred nine million, seven hundred thirteen thousand, eight hundred fifteen".