13694439238 has 8 divisors (see below), whose sum is σ = 20929237488. Its totient is φ = 6718026744.

The previous prime is 13694439229. The next prime is 13694439289. The reversal of 13694439238 is 83293449631.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64596306 + ... + 64596517.

It is an arithmetic number, because the mean of its divisors is an integer number (2616154686).

Almost surely, 2^13694439238 is an apocalyptic number.

13694439238 is a deficient number, since it is larger than the sum of its proper divisors (7234798250).

13694439238 is a wasteful number, since it uses less digits than its factorization.

13694439238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129192878.

The product of its digits is 3359232, while the sum is 52.

The spelling of 13694439238 in words is "thirteen billion, six hundred ninety-four million, four hundred thirty-nine thousand, two hundred thirty-eight".