422965022989 has 2 divisors, whose sum is σ = 422965022990. Its totient is φ = 422965022988.

The previous prime is 422965022951. The next prime is 422965023029. The reversal of 422965022989 is 989220569224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325407498025 + 97557524964 = 570445^2 + 312342^2 .

It is a cyclic number.

It is not a de Polignac number, because 422965022989 - 2⁷ = 422965022861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422965026989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211482511494 + 211482511495.

It is an arithmetic number, because the mean of its divisors is an integer number (211482511495).

Almost surely, 2^422965022989 is an apocalyptic number.

It is an amenable number.

422965022989 is a deficient number, since it is larger than the sum of its proper divisors (1).

422965022989 is an equidigital number, since it uses as much as digits as its factorization.

422965022989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 422965022989 in words is "four hundred twenty-two billion, nine hundred sixty-five million, twenty-two thousand, nine hundred eighty-nine".