422969688577 has 2 divisors, whose sum is σ = 422969688578. Its totient is φ = 422969688576.

The previous prime is 422969688523. The next prime is 422969688587. The reversal of 422969688577 is 775886969224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412646925376 + 10322763201 = 642376^2 + 101601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422969688577 is a prime.

It is not a weakly prime, because it can be changed into another prime (422969688587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211484844288 + 211484844289.

It is an arithmetic number, because the mean of its divisors is an integer number (211484844289).

Almost surely, 2^422969688577 is an apocalyptic number.

It is an amenable number.

422969688577 is a deficient number, since it is larger than the sum of its proper divisors (1).

422969688577 is an equidigital number, since it uses as much as digits as its factorization.

422969688577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 731566080, while the sum is 73.

The spelling of 422969688577 in words is "four hundred twenty-two billion, nine hundred sixty-nine million, six hundred eighty-eight thousand, five hundred seventy-seven".