422372405009 has 2 divisors, whose sum is σ = 422372405010. Its totient is φ = 422372405008.

The previous prime is 422372404973. The next prime is 422372405011. The reversal of 422372405009 is 900504273224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417335380225 + 5037024784 = 646015^2 + 70972^2 .

It is a cyclic number.

It is not a de Polignac number, because 422372405009 - 2³⁶ = 353652928273 is a prime.

Together with 422372405011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422372405029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211186202504 + 211186202505.

It is an arithmetic number, because the mean of its divisors is an integer number (211186202505).

Almost surely, 2^422372405009 is an apocalyptic number.

It is an amenable number.

422372405009 is a deficient number, since it is larger than the sum of its proper divisors (1).

422372405009 is an equidigital number, since it uses as much as digits as its factorization.

422372405009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 422372405009 in words is "four hundred twenty-two billion, three hundred seventy-two million, four hundred five thousand, nine".