189173319 has 8 divisors (see below), whose sum is σ = 252341232. Its totient is φ = 126060480.

The previous prime is 189173317. The next prime is 189173363. The reversal of 189173319 is 913371981.

189173319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 189173319 - 2¹ = 189173317 is a prime.

It is a super-2 number, since 2×189173319² = 71573089242951522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189173317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4944 + ... + 20069.

It is an arithmetic number, because the mean of its divisors is an integer number (31542654).

Almost surely, 2^189173319 is an apocalyptic number.

189173319 is a deficient number, since it is larger than the sum of its proper divisors (63167913).

189173319 is a wasteful number, since it uses less digits than its factorization.

189173319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27537.

The product of its digits is 40824, while the sum is 42.

The square root of 189173319 is about 13754.0291914769. The cubic root of 189173319 is about 574.0547230988.

The spelling of 189173319 in words is "one hundred eighty-nine million, one hundred seventy-three thousand, three hundred nineteen".