199493083 has 2 divisors, whose sum is σ = 199493084. Its totient is φ = 199493082.

The previous prime is 199493081. The next prime is 199493111. The reversal of 199493083 is 380394991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199493083 - 2¹ = 199493081 is a prime.

Together with 199493081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (199493081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99746541 + 99746542.

It is an arithmetic number, because the mean of its divisors is an integer number (99746542).

Almost surely, 2^199493083 is an apocalyptic number.

199493083 is a deficient number, since it is larger than the sum of its proper divisors (1).

199493083 is an equidigital number, since it uses as much as digits as its factorization.

199493083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 199493083 is about 14124.2020305573. The cubic root of 199493083 is about 584.3090515262.

It can be divided in two parts, 19949 and 3083, that added together give a palindrome (23032).

The spelling of 199493083 in words is "one hundred ninety-nine million, four hundred ninety-three thousand, eighty-three".