189844300799999 has 16 divisors (see below), whose sum is σ = 194053913608800. Its totient is φ = 185671062466560.

The previous prime is 189844300799987. The next prime is 189844300800023. The reversal of 189844300799999 is 999997003448981.

It is a cyclic number.

It is not a de Polignac number, because 189844300799999 - 2⁸ = 189844300799743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189844300790999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19335227 + ... + 27450675.

It is an arithmetic number, because the mean of its divisors is an integer number (12128369600550).

Almost surely, 2^{189844300799999} is an apocalyptic number.

189844300799999 is a deficient number, since it is larger than the sum of its proper divisors (4209612808801).

189844300799999 is a wasteful number, since it uses less digits than its factorization.

189844300799999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117690.

The product of its (nonzero) digits is 11428107264, while the sum is 89.

The spelling of 189844300799999 in words is "one hundred eighty-nine trillion, eight hundred forty-four billion, three hundred million, seven hundred ninety-nine thousand, nine hundred ninety-nine".