199983713 has 4 divisors (see below), whose sum is σ = 200012820. Its totient is φ = 199954608.

The previous prime is 199983709. The next prime is 199983727. The reversal of 199983713 is 317389991.

It is a happy number.

199983713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 317389991 = 17417 ⋅18223.

It can be written as a sum of positive squares in 2 ways, for example, as 84033889 + 115949824 = 9167^2 + 10768^2 .

It is a cyclic number.

It is not a de Polignac number, because 199983713 - 2² = 199983709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (199983703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2123 + ... + 20111.

It is an arithmetic number, because the mean of its divisors is an integer number (50003205).

Almost surely, 2^199983713 is an apocalyptic number.

It is an amenable number.

199983713 is a deficient number, since it is larger than the sum of its proper divisors (29107).

199983713 is a wasteful number, since it uses less digits than its factorization.

199983713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29106.

The product of its digits is 367416, while the sum is 50.

The square root of 199983713 is about 14141.5597796000. The cubic root of 199983713 is about 584.7876727193.

The spelling of 199983713 in words is "one hundred ninety-nine million, nine hundred eighty-three thousand, seven hundred thirteen".