422647440325673 has 2 divisors, whose sum is σ = 422647440325674. Its totient is φ = 422647440325672.

The previous prime is 422647440325597. The next prime is 422647440325769. The reversal of 422647440325673 is 376523044746224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300443878222489 + 122203562103184 = 17333317^2 + 11054572^2 .

It is a cyclic number.

It is not a de Polignac number, because 422647440325673 - 2¹⁰ = 422647440324649 is a prime.

It is not a weakly prime, because it can be changed into another prime (422647440325273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211323720162836 + 211323720162837.

It is an arithmetic number, because the mean of its divisors is an integer number (211323720162837).

Almost surely, 2^{422647440325673} is an apocalyptic number.

It is an amenable number.

422647440325673 is a deficient number, since it is larger than the sum of its proper divisors (1).

422647440325673 is an equidigital number, since it uses as much as digits as its factorization.

422647440325673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162570240, while the sum is 59.

The spelling of 422647440325673 in words is "four hundred twenty-two trillion, six hundred forty-seven billion, four hundred forty million, three hundred twenty-five thousand, six hundred seventy-three".