13809604608 has 72 divisors (see below), whose sum is σ = 39884726700. Its totient is φ = 4603195392.

The previous prime is 13809604607. The next prime is 13809604619. The reversal of 13809604608 is 80640690831.

13809604608 is a `hidden beast` number, since 1 + 38 + 0 + 9 + 6 + 0 + 4 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13809604603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 356178 + ... + 393041.

Almost surely, 2^13809604608 is an apocalyptic number.

13809604608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13809604608 is an abundant number, since it is smaller than the sum of its proper divisors (26075122092).

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

13809604608 is an equidigital number, since it uses as much as digits as its factorization.

13809604608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749247 (or 749224 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 13809604608 in words is "thirteen billion, eight hundred nine million, six hundred four thousand, six hundred eight".