12459635297 has 2 divisors, whose sum is σ = 12459635298. Its totient is φ = 12459635296.

The previous prime is 12459635269. The next prime is 12459635311. The reversal of 12459635297 is 79253695421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11899319056 + 560316241 = 109084^2 + 23671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12459635297 is a prime.

It is not a weakly prime, because it can be changed into another prime (12459631297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6229817648 + 6229817649.

It is an arithmetic number, because the mean of its divisors is an integer number (6229817649).

Almost surely, 2^12459635297 is an apocalyptic number.

It is an amenable number.

12459635297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12459635297 is an equidigital number, since it uses as much as digits as its factorization.

12459635297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 53.

The spelling of 12459635297 in words is "twelve billion, four hundred fifty-nine million, six hundred thirty-five thousand, two hundred ninety-seven".