422368698421 has 2 divisors, whose sum is σ = 422368698422. Its totient is φ = 422368698420.

The previous prime is 422368698379. The next prime is 422368698431. The reversal of 422368698421 is 124896863224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421188020100 + 1180678321 = 648990^2 + 34361^2 .

It is a cyclic number.

It is not a de Polignac number, because 422368698421 - 2²⁹ = 421831827509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422368698431) 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, 211184349210 + 211184349211.

It is an arithmetic number, because the mean of its divisors is an integer number (211184349211).

Almost surely, 2^422368698421 is an apocalyptic number.

It is an amenable number.

422368698421 is a deficient number, since it is larger than the sum of its proper divisors (1).

422368698421 is an equidigital number, since it uses as much as digits as its factorization.

422368698421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7962624, while the sum is 55.

The spelling of 422368698421 in words is "four hundred twenty-two billion, three hundred sixty-eight million, six hundred ninety-eight thousand, four hundred twenty-one".