12936870539 has 2 divisors, whose sum is σ = 12936870540. Its totient is φ = 12936870538.

The previous prime is 12936870533. The next prime is 12936870577. The reversal of 12936870539 is 93507863921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12936870539 - 2²⁰ = 12935821963 is a prime.

It is not a weakly prime, because it can be changed into another prime (12936870533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6468435269 + 6468435270.

It is an arithmetic number, because the mean of its divisors is an integer number (6468435270).

Almost surely, 2^12936870539 is an apocalyptic number.

12936870539 is a deficient number, since it is larger than the sum of its proper divisors (1).

12936870539 is an equidigital number, since it uses as much as digits as its factorization.

12936870539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 12936870539 in words is "twelve billion, nine hundred thirty-six million, eight hundred seventy thousand, five hundred thirty-nine".