15439839161 has 24 divisors (see below), whose sum is σ = 16815839040. Its totient is φ = 14165851392.

The previous prime is 15439839157. The next prime is 15439839167. The reversal of 15439839161 is 16193893451.

It is not a de Polignac number, because 15439839161 - 2² = 15439839157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15439839167) 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 23 ways as a sum of consecutive naturals, for example, 9033575 + ... + 9035283.

It is an arithmetic number, because the mean of its divisors is an integer number (700659960).

Almost surely, 2^15439839161 is an apocalyptic number.

It is an amenable number.

15439839161 is a deficient number, since it is larger than the sum of its proper divisors (1375999879).

15439839161 is a wasteful number, since it uses less digits than its factorization.

15439839161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513 (or 2496 counting only the distinct ones).

The product of its digits is 699840, while the sum is 50.

The spelling of 15439839161 in words is "fifteen billion, four hundred thirty-nine million, eight hundred thirty-nine thousand, one hundred sixty-one".