189380054843 has 16 divisors (see below), whose sum is σ = 224662953984. Its totient is φ = 156267545760.

The previous prime is 189380054797. The next prime is 189380054933. The reversal of 189380054843 is 348450083981.

It is a cyclic number.

It is not a de Polignac number, because 189380054843 - 2⁶ = 189380054779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189380057843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4698155 + ... + 4738292.

It is an arithmetic number, because the mean of its divisors is an integer number (14041434624).

Almost surely, 2^189380054843 is an apocalyptic number.

189380054843 is a deficient number, since it is larger than the sum of its proper divisors (35282899141).

189380054843 is an equidigital number, since it uses as much as digits as its factorization.

189380054843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9436562.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 189380054843 in words is "one hundred eighty-nine billion, three hundred eighty million, fifty-four thousand, eight hundred forty-three".