422604399709 has 2 divisors, whose sum is σ = 422604399710. Its totient is φ = 422604399708.

The previous prime is 422604399697. The next prime is 422604399739. The reversal of 422604399709 is 907993406224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278187679225 + 144416720484 = 527435^2 + 380022^2 .

It is a cyclic number.

It is not a de Polignac number, because 422604399709 - 2⁹ = 422604399197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422604399709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422604399739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211302199854 + 211302199855.

It is an arithmetic number, because the mean of its divisors is an integer number (211302199855).

Almost surely, 2^422604399709 is an apocalyptic number.

It is an amenable number.

422604399709 is a deficient number, since it is larger than the sum of its proper divisors (1).

422604399709 is an equidigital number, since it uses as much as digits as its factorization.

422604399709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 422604399709 in words is "four hundred twenty-two billion, six hundred four million, three hundred ninety-nine thousand, seven hundred nine".