13389395264 has 56 divisors (see below), whose sum is σ = 30749687040. Its totient is φ = 5665660416.

The previous prime is 13389395221. The next prime is 13389395269. The reversal of 13389395264 is 46259398331.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13389395269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153767 + ... + 224550.

Almost surely, 2^13389395264 is an apocalyptic number.

13389395264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13389395264 is an abundant number, since it is smaller than the sum of its proper divisors (17360291776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13389395264 is an equidigital number, since it uses as much as digits as its factorization.

13389395264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378415 (or 378405 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 53.

The spelling of 13389395264 in words is "thirteen billion, three hundred eighty-nine million, three hundred ninety-five thousand, two hundred sixty-four".