12574564317349 has 2 divisors, whose sum is σ = 12574564317350. Its totient is φ = 12574564317348.

The previous prime is 12574564317323. The next prime is 12574564317361. The reversal of 12574564317349 is 94371346547521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11443457621124 + 1131106696225 = 3382818^2 + 1063535^2 .

It is a cyclic number.

It is not a de Polignac number, because 12574564317349 - 2⁵ = 12574564317317 is a prime.

It is a super-2 number, since 2×12574564317349² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12574564317379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6287282158674 + 6287282158675.

It is an arithmetic number, because the mean of its divisors is an integer number (6287282158675).

Almost surely, 2^{12574564317349} is an apocalyptic number.

It is an amenable number.

12574564317349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12574564317349 is an equidigital number, since it uses as much as digits as its factorization.

12574564317349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76204800, while the sum is 61.

The spelling of 12574564317349 in words is "twelve trillion, five hundred seventy-four billion, five hundred sixty-four million, three hundred seventeen thousand, three hundred forty-nine".