12839491015 has 32 divisors (see below), whose sum is σ = 17512588800. Its totient is φ = 8958418560.

The previous prime is 12839490947. The next prime is 12839491019. The reversal of 12839491015 is 51019493821.

It is not a de Polignac number, because 12839491015 - 2¹¹ = 12839488967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12839491019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454350 + ... + 481780.

It is an arithmetic number, because the mean of its divisors is an integer number (547268400).

Almost surely, 2^12839491015 is an apocalyptic number.

12839491015 is a deficient number, since it is larger than the sum of its proper divisors (4673097785).

12839491015 is a wasteful number, since it uses less digits than its factorization.

12839491015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27847.

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 12839491015 in words is "twelve billion, eight hundred thirty-nine million, four hundred ninety-one thousand, fifteen".