422135537189 has 2 divisors, whose sum is σ = 422135537190. Its totient is φ = 422135537188.

The previous prime is 422135537149. The next prime is 422135537191. The reversal of 422135537189 is 981735531224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 259921530625 + 162214006564 = 509825^2 + 402758^2 .

It is a cyclic number.

It is not a de Polignac number, because 422135537189 - 2¹² = 422135533093 is a prime.

Together with 422135537191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422135537149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211067768594 + 211067768595.

It is an arithmetic number, because the mean of its divisors is an integer number (211067768595).

Almost surely, 2^422135537189 is an apocalyptic number.

It is an amenable number.

422135537189 is a deficient number, since it is larger than the sum of its proper divisors (1).

422135537189 is an equidigital number, since it uses as much as digits as its factorization.

422135537189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 50.

The spelling of 422135537189 in words is "four hundred twenty-two billion, one hundred thirty-five million, five hundred thirty-seven thousand, one hundred eighty-nine".