199873033 has 2 divisors, whose sum is σ = 199873034. Its totient is φ = 199873032.

The previous prime is 199873021. The next prime is 199873039. The reversal of 199873033 is 330378991.

199873033 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., 193682889 + 6190144 = 13917^2 + 2488^2 .

It is a cyclic number.

It is not a de Polignac number, because 199873033 - 2⁹ = 199872521 is a prime.

It is not a weakly prime, because it can be changed into another prime (199873039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99936516 + 99936517.

It is an arithmetic number, because the mean of its divisors is an integer number (99936517).

Almost surely, 2^199873033 is an apocalyptic number.

It is an amenable number.

199873033 is a deficient number, since it is larger than the sum of its proper divisors (1).

199873033 is an equidigital number, since it uses as much as digits as its factorization.

199873033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 199873033 is about 14137.6459497329. The cubic root of 199873033 is about 584.6797701927.

The spelling of 199873033 in words is "one hundred ninety-nine million, eight hundred seventy-three thousand, thirty-three".