126479707213 has 2 divisors, whose sum is σ = 126479707214. Its totient is φ = 126479707212.

The previous prime is 126479707181. The next prime is 126479707331. The reversal of 126479707213 is 312707974621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81269466084 + 45210241129 = 285078^2 + 212627^2 .

It is a cyclic number.

It is not a de Polignac number, because 126479707213 - 2⁵ = 126479707181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126479707513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63239853606 + 63239853607.

It is an arithmetic number, because the mean of its divisors is an integer number (63239853607).

Almost surely, 2^126479707213 is an apocalyptic number.

It is an amenable number.

126479707213 is a deficient number, since it is larger than the sum of its proper divisors (1).

126479707213 is an equidigital number, since it uses as much as digits as its factorization.

126479707213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 126479707213 in words is "one hundred twenty-six billion, four hundred seventy-nine million, seven hundred seven thousand, two hundred thirteen".