199000093 has 2 divisors, whose sum is σ = 199000094. Its totient is φ = 199000092.

The previous prime is 199000073. The next prime is 199000103. The reversal of 199000093 is 390000991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144432324 + 54567769 = 12018^2 + 7387^2 .

It is a cyclic number.

It is not a de Polignac number, because 199000093 - 2²⁵ = 165445661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199000003) 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, 99500046 + 99500047.

It is an arithmetic number, because the mean of its divisors is an integer number (99500047).

Almost surely, 2^199000093 is an apocalyptic number.

It is an amenable number.

199000093 is a deficient number, since it is larger than the sum of its proper divisors (1).

199000093 is an equidigital number, since it uses as much as digits as its factorization.

199000093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 31.

The square root of 199000093 is about 14106.7392759631. The cubic root of 199000093 is about 583.8273370293.

The spelling of 199000093 in words is "one hundred ninety-nine million, ninety-three", and thus it is an aban number.