189016977203 has 2 divisors, whose sum is σ = 189016977204. Its totient is φ = 189016977202.

The previous prime is 189016977199. The next prime is 189016977209. The reversal of 189016977203 is 302779610981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189016977203 - 2² = 189016977199 is a prime.

It is not a weakly prime, because it can be changed into another prime (189016977209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94508488601 + 94508488602.

It is an arithmetic number, because the mean of its divisors is an integer number (94508488602).

Almost surely, 2^189016977203 is an apocalyptic number.

189016977203 is a deficient number, since it is larger than the sum of its proper divisors (1).

189016977203 is an equidigital number, since it uses as much as digits as its factorization.

189016977203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 189016977203 in words is "one hundred eighty-nine billion, sixteen million, nine hundred seventy-seven thousand, two hundred three".