199829983 has 2 divisors, whose sum is σ = 199829984. Its totient is φ = 199829982.

The previous prime is 199829977. The next prime is 199830047. The reversal of 199829983 is 389928991.

It is a weak prime.

It is an emirp because it is prime and its reverse (389928991) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199829983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199829953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99914991 + 99914992.

It is an arithmetic number, because the mean of its divisors is an integer number (99914992).

Almost surely, 2^199829983 is an apocalyptic number.

199829983 is a deficient number, since it is larger than the sum of its proper divisors (1).

199829983 is an equidigital number, since it uses as much as digits as its factorization.

199829983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 58.

The square root of 199829983 is about 14136.1233370398. The cubic root of 199829983 is about 584.6377897563.

The spelling of 199829983 in words is "one hundred ninety-nine million, eight hundred twenty-nine thousand, nine hundred eighty-three".