189839433033 has 48 divisors (see below), whose sum is σ = 293662682560. Its totient is φ = 117818064000.

The previous prime is 189839433011. The next prime is 189839433053. The reversal of 189839433033 is 330334938981.

It is not a de Polignac number, because 189839433033 - 2¹² = 189839428937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189839433053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11392758 + ... + 11409408.

Almost surely, 2^189839433033 is an apocalyptic number.

It is an amenable number.

189839433033 is a deficient number, since it is larger than the sum of its proper divisors (103823249527).

189839433033 is a wasteful number, since it uses less digits than its factorization.

189839433033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17830 (or 17827 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 189839433033 in words is "one hundred eighty-nine billion, eight hundred thirty-nine million, four hundred thirty-three thousand, thirty-three".