426244043089 has 2 divisors, whose sum is σ = 426244043090. Its totient is φ = 426244043088.

The previous prime is 426244043039. The next prime is 426244043111. The reversal of 426244043089 is 980340442624.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426095617600 + 148425489 = 652760^2 + 12183^2 .

It is a cyclic number.

It is not a de Polignac number, because 426244043089 - 2³³ = 417654108497 is a prime.

It is not a weakly prime, because it can be changed into another prime (426244043039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213122021544 + 213122021545.

It is an arithmetic number, because the mean of its divisors is an integer number (213122021545).

Almost surely, 2^426244043089 is an apocalyptic number.

It is an amenable number.

426244043089 is a deficient number, since it is larger than the sum of its proper divisors (1).

426244043089 is an equidigital number, since it uses as much as digits as its factorization.

426244043089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 426244043089 in words is "four hundred twenty-six billion, two hundred forty-four million, forty-three thousand, eighty-nine".