189833933 has 2 divisors, whose sum is σ = 189833934. Its totient is φ = 189833932.

The previous prime is 189833929. The next prime is 189833953. The reversal of 189833933 is 339338981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164301124 + 25532809 = 12818^2 + 5053^2 .

It is a cyclic number.

It is not a de Polignac number, because 189833933 - 2² = 189833929 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189833953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94916966 + 94916967.

It is an arithmetic number, because the mean of its divisors is an integer number (94916967).

Almost surely, 2^189833933 is an apocalyptic number.

It is an amenable number.

189833933 is a deficient number, since it is larger than the sum of its proper divisors (1).

189833933 is an equidigital number, since it uses as much as digits as its factorization.

189833933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 47.

The square root of 189833933 is about 13778.0235520194. The cubic root of 189833933 is about 574.7221674779.

The spelling of 189833933 in words is "one hundred eighty-nine million, eight hundred thirty-three thousand, nine hundred thirty-three".