12997489339 has 2 divisors, whose sum is σ = 12997489340. Its totient is φ = 12997489338.

The previous prime is 12997489333. The next prime is 12997489343. The reversal of 12997489339 is 93398479921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12997489339 - 2⁹ = 12997488827 is a prime.

It is not a weakly prime, because it can be changed into another prime (12997489333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6498744669 + 6498744670.

It is an arithmetic number, because the mean of its divisors is an integer number (6498744670).

Almost surely, 2^12997489339 is an apocalyptic number.

12997489339 is a deficient number, since it is larger than the sum of its proper divisors (1).

12997489339 is an equidigital number, since it uses as much as digits as its factorization.

12997489339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26453952, while the sum is 64.

The spelling of 12997489339 in words is "twelve billion, nine hundred ninety-seven million, four hundred eighty-nine thousand, three hundred thirty-nine".