189968809033 has 8 divisors (see below), whose sum is σ = 191437853120. Its totient is φ = 188502541200.

The previous prime is 189968809013. The next prime is 189968809061. The reversal of 189968809033 is 330908869981.

It is a happy number.

189968809033 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 189968809033 - 2²⁹ = 189431938121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189968809013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556578 + ... + 830491.

It is an arithmetic number, because the mean of its divisors is an integer number (23929731640).

Almost surely, 2^189968809033 is an apocalyptic number.

It is an amenable number.

189968809033 is a deficient number, since it is larger than the sum of its proper divisors (1469044087).

189968809033 is a wasteful number, since it uses less digits than its factorization.

189968809033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388127.

The product of its (nonzero) digits is 20155392, while the sum is 64.

The spelling of 189968809033 in words is "one hundred eighty-nine billion, nine hundred sixty-eight million, eight hundred nine thousand, thirty-three".