13681338934 has 16 divisors (see below), whose sum is σ = 21200541696. Its totient is φ = 6614836200.

The previous prime is 13681338917. The next prime is 13681338991. The reversal of 13681338934 is 43983318631.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5422 + ... + 165505.

It is an arithmetic number, because the mean of its divisors is an integer number (1325033856).

Almost surely, 2^13681338934 is an apocalyptic number.

13681338934 is a deficient number, since it is larger than the sum of its proper divisors (7519202762).

13681338934 is a wasteful number, since it uses less digits than its factorization.

13681338934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172251.

The product of its digits is 1119744, while the sum is 49.

The spelling of 13681338934 in words is "thirteen billion, six hundred eighty-one million, three hundred thirty-eight thousand, nine hundred thirty-four".