189413673 has 8 divisors (see below), whose sum is σ = 252615936. Its totient is φ = 126243600.

The previous prime is 189413669. The next prime is 189413681. The reversal of 189413673 is 376314981.

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

It is not a de Polignac number, because 189413673 - 2² = 189413669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189413633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15688 + ... + 24998.

It is an arithmetic number, because the mean of its divisors is an integer number (31576992).

Almost surely, 2^189413673 is an apocalyptic number.

It is an amenable number.

189413673 is a deficient number, since it is larger than the sum of its proper divisors (63202263).

189413673 is an equidigital number, since it uses as much as digits as its factorization.

189413673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16095.

The product of its digits is 108864, while the sum is 42.

The square root of 189413673 is about 13762.7640029174. The cubic root of 189413673 is about 574.2977417860.

The spelling of 189413673 in words is "one hundred eighty-nine million, four hundred thirteen thousand, six hundred seventy-three".