12939240519 has 12 divisors (see below), whose sum is σ = 18691003656. Its totient is φ = 8625703632.

The previous prime is 12939240463. The next prime is 12939240527. The reversal of 12939240519 is 91504293921.

12939240519 is a `hidden beast` number, since 1 + 2 + 9 + 3 + 92 + 40 + 519 = 666.

It is not a de Polignac number, because 12939240519 - 2²⁹ = 12402369607 is a prime.

It is a super-2 number, since 2×12939240519² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12939240539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292189 + ... + 333545.

It is an arithmetic number, because the mean of its divisors is an integer number (1557583638).

Almost surely, 2^12939240519 is an apocalyptic number.

12939240519 is a deficient number, since it is larger than the sum of its proper divisors (5751763137).

12939240519 is a wasteful number, since it uses less digits than its factorization.

12939240519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76126 (or 76123 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 12939240519 in words is "twelve billion, nine hundred thirty-nine million, two hundred forty thousand, five hundred nineteen".