12514640497 has 2 divisors, whose sum is σ = 12514640498. Its totient is φ = 12514640496.

The previous prime is 12514640473. The next prime is 12514640513. The reversal of 12514640497 is 79404641521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9867640896 + 2646999601 = 99336^2 + 51449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12514640497 is a prime.

It is not a weakly prime, because it can be changed into another prime (12514640597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6257320248 + 6257320249.

It is an arithmetic number, because the mean of its divisors is an integer number (6257320249).

Almost surely, 2^12514640497 is an apocalyptic number.

It is an amenable number.

12514640497 is a deficient number, since it is larger than the sum of its proper divisors (1).

12514640497 is an equidigital number, since it uses as much as digits as its factorization.

12514640497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 12514640497 in words is "twelve billion, five hundred fourteen million, six hundred forty thousand, four hundred ninety-seven".