189112002193 has 2 divisors, whose sum is σ = 189112002194. Its totient is φ = 189112002192.

The previous prime is 189112002181. The next prime is 189112002223. The reversal of 189112002193 is 391200211981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187863298624 + 1248703569 = 433432^2 + 35337^2 .

It is a cyclic number.

It is not a de Polignac number, because 189112002193 - 2²¹ = 189109905041 is a prime.

It is not a weakly prime, because it can be changed into another prime (189112008193) 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, 94556001096 + 94556001097.

It is an arithmetic number, because the mean of its divisors is an integer number (94556001097).

Almost surely, 2^189112002193 is an apocalyptic number.

It is an amenable number.

189112002193 is a deficient number, since it is larger than the sum of its proper divisors (1).

189112002193 is an equidigital number, since it uses as much as digits as its factorization.

189112002193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 37.

The spelling of 189112002193 in words is "one hundred eighty-nine billion, one hundred twelve million, two thousand, one hundred ninety-three".