13986615605 has 8 divisors (see below), whose sum is σ = 16792296864. Its totient is φ = 11183720400.

The previous prime is 13986615551. The next prime is 13986615611. The reversal of 13986615605 is 50651668931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13986615605 - 2⁶ = 13986615541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685451 + ... + 705560.

It is an arithmetic number, because the mean of its divisors is an integer number (2099037108).

Almost surely, 2^13986615605 is an apocalyptic number.

It is an amenable number.

13986615605 is a deficient number, since it is larger than the sum of its proper divisors (2805681259).

13986615605 is a wasteful number, since it uses less digits than its factorization.

13986615605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393027.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 13986615605 in words is "thirteen billion, nine hundred eighty-six million, six hundred fifteen thousand, six hundred five".