12710272643449 has 2 divisors, whose sum is σ = 12710272643450. Its totient is φ = 12710272643448.

The previous prime is 12710272643389. The next prime is 12710272643573. The reversal of 12710272643449 is 94434627201721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9992192847849 + 2718079795600 = 3161043^2 + 1648660^2 .

It is an emirp because it is prime and its reverse (94434627201721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12710272643449 - 2²⁵ = 12710239089017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12710272643396 and 12710272643405.

It is not a weakly prime, because it can be changed into another prime (12710272644449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6355136321724 + 6355136321725.

It is an arithmetic number, because the mean of its divisors is an integer number (6355136321725).

Almost surely, 2^{12710272643449} is an apocalyptic number.

It is an amenable number.

12710272643449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12710272643449 is an equidigital number, since it uses as much as digits as its factorization.

12710272643449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 12710272643449 in words is "twelve trillion, seven hundred ten billion, two hundred seventy-two million, six hundred forty-three thousand, four hundred forty-nine".