189033143289 has 32 divisors (see below), whose sum is σ = 255439008000. Its totient is φ = 124335869184.

The previous prime is 189033143281. The next prime is 189033143297. The reversal of 189033143289 is 982341330981.

It is an interprime number because it is at equal distance from previous prime (189033143281) and next prime (189033143297).

It is not a de Polignac number, because 189033143289 - 2³ = 189033143281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189033143281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92707732 + ... + 92709770.

It is an arithmetic number, because the mean of its divisors is an integer number (7982469000).

Almost surely, 2^189033143289 is an apocalyptic number.

It is an amenable number.

189033143289 is a deficient number, since it is larger than the sum of its proper divisors (66405864711).

189033143289 is a wasteful number, since it uses less digits than its factorization.

189033143289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 189033143289 in words is "one hundred eighty-nine billion, thirty-three million, one hundred forty-three thousand, two hundred eighty-nine".