13344691986 has 24 divisors (see below), whose sum is σ = 28918028880. Its totient is φ = 4447533816.

The previous prime is 13344691981. The next prime is 13344691991. The reversal of 13344691986 is 68919644331.

13344691986 is a `hidden beast` number, since 1 + 3 + 3 + 446 + 9 + 198 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (13344691981) and next prime (13344691991).

It is not an unprimeable number, because it can be changed into a prime (13344691981) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 67341 + ... + 176703.

It is an arithmetic number, because the mean of its divisors is an integer number (1204917870).

Almost surely, 2^13344691986 is an apocalyptic number.

13344691986 is an abundant number, since it is smaller than the sum of its proper divisors (15573336894).

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

13344691986 is a wasteful number, since it uses less digits than its factorization.

13344691986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116150 (or 116147 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The spelling of 13344691986 in words is "thirteen billion, three hundred forty-four million, six hundred ninety-one thousand, nine hundred eighty-six".