189033193 has 2 divisors, whose sum is σ = 189033194. Its totient is φ = 189033192.

The previous prime is 189033157. The next prime is 189033199. The reversal of 189033193 is 391330981.

189033193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187361344 + 1671849 = 13688^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 189033193 - 2⁹ = 189032681 is a prime.

It is not a weakly prime, because it can be changed into another prime (189033199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94516596 + 94516597.

It is an arithmetic number, because the mean of its divisors is an integer number (94516597).

Almost surely, 2^189033193 is an apocalyptic number.

It is an amenable number.

189033193 is a deficient number, since it is larger than the sum of its proper divisors (1).

189033193 is an equidigital number, since it uses as much as digits as its factorization.

189033193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 189033193 is about 13748.9342496064. The cubic root of 189033193 is about 573.9129485925.

The spelling of 189033193 in words is "one hundred eighty-nine million, thirty-three thousand, one hundred ninety-three".