189013844183 has 2 divisors, whose sum is σ = 189013844184. Its totient is φ = 189013844182.

The previous prime is 189013844179. The next prime is 189013844219. The reversal of 189013844183 is 381448310981.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189013844183 - 2² = 189013844179 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189013844153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94506922091 + 94506922092.

It is an arithmetic number, because the mean of its divisors is an integer number (94506922092).

Almost surely, 2^189013844183 is an apocalyptic number.

189013844183 is a deficient number, since it is larger than the sum of its proper divisors (1).

189013844183 is an equidigital number, since it uses as much as digits as its factorization.

189013844183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 189013844183 in words is "one hundred eighty-nine billion, thirteen million, eight hundred forty-four thousand, one hundred eighty-three".