189592913 has 2 divisors, whose sum is σ = 189592914. Its totient is φ = 189592912.

The previous prime is 189592883. The next prime is 189592919. The reversal of 189592913 is 319295981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181252369 + 8340544 = 13463^2 + 2888^2 .

It is a cyclic number.

It is not a de Polignac number, because 189592913 - 2¹⁴ = 189576529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (189592919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94796456 + 94796457.

It is an arithmetic number, because the mean of its divisors is an integer number (94796457).

Almost surely, 2^189592913 is an apocalyptic number.

It is an amenable number.

189592913 is a deficient number, since it is larger than the sum of its proper divisors (1).

189592913 is an equidigital number, since it uses as much as digits as its factorization.

189592913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 47.

The square root of 189592913 is about 13769.2742365021. The cubic root of 189592913 is about 574.4788351450.

The spelling of 189592913 in words is "one hundred eighty-nine million, five hundred ninety-two thousand, nine hundred thirteen".