189037169 has 2 divisors, whose sum is σ = 189037170. Its totient is φ = 189037168.

The previous prime is 189037151. The next prime is 189037171. The reversal of 189037169 is 961730981.

189037169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148230625 + 40806544 = 12175^2 + 6388^2 .

It is a cyclic number.

It is not a de Polignac number, because 189037169 - 2¹⁶ = 188971633 is a prime.

It is a super-2 number, since 2×189037169² = 71470102527069122, which contains 22 as substring.

Together with 189037171, 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 (189037139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94518584 + 94518585.

It is an arithmetic number, because the mean of its divisors is an integer number (94518585).

Almost surely, 2^189037169 is an apocalyptic number.

It is an amenable number.

189037169 is a deficient number, since it is larger than the sum of its proper divisors (1).

189037169 is an equidigital number, since it uses as much as digits as its factorization.

189037169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 189037169 is about 13749.0788418716. The cubic root of 189037169 is about 573.9169723336.

The spelling of 189037169 in words is "one hundred eighty-nine million, thirty-seven thousand, one hundred sixty-nine".