13489338915 has 64 divisors (see below), whose sum is σ = 26658938880. Its totient is φ = 6426656640.

The previous prime is 13489338913. The next prime is 13489338923. The reversal of 13489338915 is 51983398431.

It is not a de Polignac number, because 13489338915 - 2¹ = 13489338913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13489338913) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69567 + ... + 178376.

It is an arithmetic number, because the mean of its divisors is an integer number (416545920).

Almost surely, 2^13489338915 is an apocalyptic number.

13489338915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13489338915 is a deficient number, since it is larger than the sum of its proper divisors (13169599965).

13489338915 is a wasteful number, since it uses less digits than its factorization.

13489338915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248001 (or 247995 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 13489338915 in words is "thirteen billion, four hundred eighty-nine million, three hundred thirty-eight thousand, nine hundred fifteen".