422057041789 has 2 divisors, whose sum is σ = 422057041790. Its totient is φ = 422057041788.

The previous prime is 422057041771. The next prime is 422057041907. The reversal of 422057041789 is 987140750224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225881572900 + 196175468889 = 475270^2 + 442917^2 .

It is a cyclic number.

It is not a de Polignac number, because 422057041789 - 2⁷ = 422057041661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422057041729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211028520894 + 211028520895.

It is an arithmetic number, because the mean of its divisors is an integer number (211028520895).

Almost surely, 2^422057041789 is an apocalyptic number.

It is an amenable number.

422057041789 is a deficient number, since it is larger than the sum of its proper divisors (1).

422057041789 is an equidigital number, since it uses as much as digits as its factorization.

422057041789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 422057041789 in words is "four hundred twenty-two billion, fifty-seven million, forty-one thousand, seven hundred eighty-nine".