12642925297 has 2 divisors, whose sum is σ = 12642925298. Its totient is φ = 12642925296.

The previous prime is 12642925237. The next prime is 12642925301. The reversal of 12642925297 is 79252924621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7121840881 + 5521084416 = 84391^2 + 74304^2 .

It is a cyclic number.

It is not a de Polignac number, because 12642925297 - 2²⁷ = 12508707569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12642925297.

It is not a weakly prime, because it can be changed into another prime (12642925237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6321462648 + 6321462649.

It is an arithmetic number, because the mean of its divisors is an integer number (6321462649).

Almost surely, 2^12642925297 is an apocalyptic number.

It is an amenable number.

12642925297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12642925297 is an equidigital number, since it uses as much as digits as its factorization.

12642925297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The spelling of 12642925297 in words is "twelve billion, six hundred forty-two million, nine hundred twenty-five thousand, two hundred ninety-seven".