199613683 has 4 divisors (see below), whose sum is σ = 199641960. Its totient is φ = 199585408.

The previous prime is 199613671. The next prime is 199613717. The reversal of 199613683 is 386316991.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 199613683 - 2⁵ = 199613651 is a prime.

It is a super-4 number, since 4×199613683⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199611683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6291 + ... + 20947.

It is an arithmetic number, because the mean of its divisors is an integer number (49910490).

Almost surely, 2^199613683 is an apocalyptic number.

199613683 is a deficient number, since it is larger than the sum of its proper divisors (28277).

199613683 is a wasteful number, since it uses less digits than its factorization.

199613683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28276.

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

The square root of 199613683 is about 14128.4706532590. The cubic root of 199613683 is about 584.4267723603.

The spelling of 199613683 in words is "one hundred ninety-nine million, six hundred thirteen thousand, six hundred eighty-three".