422305689629 has 2 divisors, whose sum is σ = 422305689630. Its totient is φ = 422305689628.

The previous prime is 422305689613. The next prime is 422305689679. The reversal of 422305689629 is 926986503224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397559253529 + 24746436100 = 630523^2 + 157310^2 .

It is a cyclic number.

It is not a de Polignac number, because 422305689629 - 2⁴ = 422305689613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422305689679) 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, 211152844814 + 211152844815.

It is an arithmetic number, because the mean of its divisors is an integer number (211152844815).

Almost surely, 2^422305689629 is an apocalyptic number.

It is an amenable number.

422305689629 is a deficient number, since it is larger than the sum of its proper divisors (1).

422305689629 is an equidigital number, since it uses as much as digits as its factorization.

422305689629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 422305689629 in words is "four hundred twenty-two billion, three hundred five million, six hundred eighty-nine thousand, six hundred twenty-nine".