13689388946 has 8 divisors (see below), whose sum is σ = 20840562480. Its totient is φ = 6742534788.

The previous prime is 13689388931. The next prime is 13689388981. The reversal of 13689388946 is 64988398631.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51079676 + ... + 51079943.

It is an arithmetic number, because the mean of its divisors is an integer number (2605070310).

Almost surely, 2^13689388946 is an apocalyptic number.

13689388946 is a deficient number, since it is larger than the sum of its proper divisors (7151173534).

13689388946 is a wasteful number, since it uses less digits than its factorization.

13689388946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102159688.

The product of its digits is 53747712, while the sum is 65.

The spelling of 13689388946 in words is "thirteen billion, six hundred eighty-nine million, three hundred eighty-eight thousand, nine hundred forty-six".