12740298649567 has 2 divisors, whose sum is σ = 12740298649568. Its totient is φ = 12740298649566.

The previous prime is 12740298649537. The next prime is 12740298649577. The reversal of 12740298649567 is 76594689204721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12740298649567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12740298649496 and 12740298649505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12740298649517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6370149324783 + 6370149324784.

It is an arithmetic number, because the mean of its divisors is an integer number (6370149324784).

Almost surely, 2^{12740298649567} is an apocalyptic number.

12740298649567 is a deficient number, since it is larger than the sum of its proper divisors (1).

12740298649567 is an equidigital number, since it uses as much as digits as its factorization.

12740298649567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 365783040, while the sum is 70.

The spelling of 12740298649567 in words is "twelve trillion, seven hundred forty billion, two hundred ninety-eight million, six hundred forty-nine thousand, five hundred sixty-seven".