422931393635677 has 2 divisors, whose sum is σ = 422931393635678. Its totient is φ = 422931393635676.

The previous prime is 422931393635623. The next prime is 422931393635731. The reversal of 422931393635677 is 776536393139224.

It is a balanced prime because it is at equal distance from previous prime (422931393635623) and next prime (422931393635731).

It can be written as a sum of positive squares in only one way, i.e., 348720853016761 + 74210540618916 = 18674069^2 + 8614554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422931393635677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422931393635977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211465696817838 + 211465696817839.

It is an arithmetic number, because the mean of its divisors is an integer number (211465696817839).

Almost surely, 2^{422931393635677} is an apocalyptic number.

It is an amenable number.

422931393635677 is a deficient number, since it is larger than the sum of its proper divisors (1).

422931393635677 is an equidigital number, since it uses as much as digits as its factorization.

422931393635677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 925888320, while the sum is 70.

The spelling of 422931393635677 in words is "four hundred twenty-two trillion, nine hundred thirty-one billion, three hundred ninety-three million, six hundred thirty-five thousand, six hundred seventy-seven".