12493764128939 has 2 divisors, whose sum is σ = 12493764128940. Its totient is φ = 12493764128938.

The previous prime is 12493764128809. The next prime is 12493764129023. The reversal of 12493764128939 is 93982146739421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12493764128939 - 2²⁰ = 12493763080363 is a prime.

It is not a weakly prime, because it can be changed into another prime (12493764128239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6246882064469 + 6246882064470.

It is an arithmetic number, because the mean of its divisors is an integer number (6246882064470).

Almost surely, 2^{12493764128939} is an apocalyptic number.

12493764128939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12493764128939 is an equidigital number, since it uses as much as digits as its factorization.

12493764128939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141087744, while the sum is 68.

The spelling of 12493764128939 in words is "twelve trillion, four hundred ninety-three billion, seven hundred sixty-four million, one hundred twenty-eight thousand, nine hundred thirty-nine".