13659800064 has 40 divisors (see below), whose sum is σ = 36390565200. Its totient is φ = 4553266176.

The previous prime is 13659800053. The next prime is 13659800113. The reversal of 13659800064 is 46000895631.

It is a junction number, because it is equal to n+sod(n) for n = 13659799989 and 13659800025.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4445014 + ... + 4448085.

It is an arithmetic number, because the mean of its divisors is an integer number (909764130).

Almost surely, 2^13659800064 is an apocalyptic number.

It is an amenable number.

13659800064 is an abundant number, since it is smaller than the sum of its proper divisors (22730765136).

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

13659800064 is an frugal number, since it uses more digits than its factorization.

13659800064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893120 (or 8893104 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 13659800064 in words is "thirteen billion, six hundred fifty-nine million, eight hundred thousand, sixty-four".