189700794843 has 16 divisors (see below), whose sum is σ = 290134557696. Its totient is φ = 108000449280.

The previous prime is 189700794779. The next prime is 189700794863. The reversal of 189700794843 is 348497007981.

189700794843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189700794843 - 2⁶ = 189700794779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189700794863) 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 15 ways as a sum of consecutive naturals, for example, 16661046 + ... + 16672427.

It is an arithmetic number, because the mean of its divisors is an integer number (18133409856).

Almost surely, 2^189700794843 is an apocalyptic number.

189700794843 is a deficient number, since it is larger than the sum of its proper divisors (100433762853).

189700794843 is a wasteful number, since it uses less digits than its factorization.

189700794843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33333754.

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 189700794843 in words is "one hundred eighty-nine billion, seven hundred million, seven hundred ninety-four thousand, eight hundred forty-three".