189322169 has 2 divisors, whose sum is σ = 189322170. Its totient is φ = 189322168.

The previous prime is 189322153. The next prime is 189322181. The reversal of 189322169 is 961223981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155251600 + 34070569 = 12460^2 + 5837^2 .

It is a cyclic number.

It is not a de Polignac number, because 189322169 - 2⁴ = 189322153 is a prime.

It is a super-2 number, since 2×189322169² = 71685767349729122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (189322109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94661084 + 94661085.

It is an arithmetic number, because the mean of its divisors is an integer number (94661085).

Almost surely, 2^189322169 is an apocalyptic number.

It is an amenable number.

189322169 is a deficient number, since it is larger than the sum of its proper divisors (1).

189322169 is an equidigital number, since it uses as much as digits as its factorization.

189322169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 189322169 is about 13759.4392690981. The cubic root of 189322169 is about 574.2052475743.

The spelling of 189322169 in words is "one hundred eighty-nine million, three hundred twenty-two thousand, one hundred sixty-nine".