13864539839 has 8 divisors (see below), whose sum is σ = 14886864288. Its totient is φ = 12865189120.

The previous prime is 13864539827. The next prime is 13864539911. The reversal of 13864539839 is 93893546831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13864539839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13864539239) 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 7 ways as a sum of consecutive naturals, for example, 5742182 + ... + 5744595.

It is an arithmetic number, because the mean of its divisors is an integer number (1860858036).

Almost surely, 2^13864539839 is an apocalyptic number.

13864539839 is a deficient number, since it is larger than the sum of its proper divisors (1022324449).

13864539839 is a wasteful number, since it uses less digits than its factorization.

13864539839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11486865.

The product of its digits is 16796160, while the sum is 59.

The spelling of 13864539839 in words is "thirteen billion, eight hundred sixty-four million, five hundred thirty-nine thousand, eight hundred thirty-nine".