13789618660 has 12 divisors (see below), whose sum is σ = 28958199228. Its totient is φ = 5515847456.

The previous prime is 13789618643. The next prime is 13789618699. The reversal of 13789618660 is 6681698731.

It can be written as a sum of positive squares in 2 ways, for example, as 8378839296 + 5410779364 = 91536^2 + 73558^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344740447 + ... + 344740486.

It is an arithmetic number, because the mean of its divisors is an integer number (2413183269).

Almost surely, 2^13789618660 is an apocalyptic number.

13789618660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13789618660 is an abundant number, since it is smaller than the sum of its proper divisors (15168580568).

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

13789618660 is a wasteful number, since it uses less digits than its factorization.

13789618660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689480942 (or 689480940 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 13789618660 in words is "thirteen billion, seven hundred eighty-nine million, six hundred eighteen thousand, six hundred sixty".