189010929 has 16 divisors (see below), whose sum is σ = 258351104. Its totient is φ = 122850000.

The previous prime is 189010909. The next prime is 189010963. The reversal of 189010929 is 929010981.

It is a happy number.

It is not a de Polignac number, because 189010929 - 2²⁴ = 172233713 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189010909) 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 15 ways as a sum of consecutive naturals, for example, 95904 + ... + 97854.

It is an arithmetic number, because the mean of its divisors is an integer number (16146944).

Almost surely, 2^189010929 is an apocalyptic number.

It is an amenable number.

189010929 is a deficient number, since it is larger than the sum of its proper divisors (69340175).

189010929 is a wasteful number, since it uses less digits than its factorization.

189010929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748.

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 189010929 is about 13748.1245630086. The cubic root of 189010929 is about 573.8904162190.

The spelling of 189010929 in words is "one hundred eighty-nine million, ten thousand, nine hundred twenty-nine".