126446116022489 has 2 divisors, whose sum is σ = 126446116022490. Its totient is φ = 126446116022488.

The previous prime is 126446116022383. The next prime is 126446116022503. The reversal of 126446116022489 is 984220611644621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122208426163264 + 4237689859225 = 11054792^2 + 2058565^2 .

It is a cyclic number.

It is not a de Polignac number, because 126446116022489 - 2²⁴ = 126446099245273 is a prime.

It is not a weakly prime, because it can be changed into another prime (126446116022189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63223058011244 + 63223058011245.

It is an arithmetic number, because the mean of its divisors is an integer number (63223058011245).

Almost surely, 2^{126446116022489} is an apocalyptic number.

It is an amenable number.

126446116022489 is a deficient number, since it is larger than the sum of its proper divisors (1).

126446116022489 is an equidigital number, since it uses as much as digits as its factorization.

126446116022489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 126446116022489 in words is "one hundred twenty-six trillion, four hundred forty-six billion, one hundred sixteen million, twenty-two thousand, four hundred eighty-nine".