189663976003 has 2 divisors, whose sum is σ = 189663976004. Its totient is φ = 189663976002.

The previous prime is 189663975967. The next prime is 189663976081. The reversal of 189663976003 is 300679366981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189663976003 - 2⁹ = 189663975491 is a prime.

It is not a weakly prime, because it can be changed into another prime (189663973003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94831988001 + 94831988002.

It is an arithmetic number, because the mean of its divisors is an integer number (94831988002).

Almost surely, 2^189663976003 is an apocalyptic number.

189663976003 is a deficient number, since it is larger than the sum of its proper divisors (1).

189663976003 is an equidigital number, since it uses as much as digits as its factorization.

189663976003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 189663976003 in words is "one hundred eighty-nine billion, six hundred sixty-three million, nine hundred seventy-six thousand, three".