199803713 has 2 divisors, whose sum is σ = 199803714. Its totient is φ = 199803712.

The previous prime is 199803697. The next prime is 199803739. The reversal of 199803713 is 317308991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140019889 + 59783824 = 11833^2 + 7732^2 .

It is an emirp because it is prime and its reverse (317308991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199803713 - 2⁴ = 199803697 is a prime.

It is not a weakly prime, because it can be changed into another prime (199803013) 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, 99901856 + 99901857.

It is an arithmetic number, because the mean of its divisors is an integer number (99901857).

Almost surely, 2^199803713 is an apocalyptic number.

It is an amenable number.

199803713 is a deficient number, since it is larger than the sum of its proper divisors (1).

199803713 is an equidigital number, since it uses as much as digits as its factorization.

199803713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 199803713 is about 14135.1941267179. The cubic root of 199803713 is about 584.6121694639.

The spelling of 199803713 in words is "one hundred ninety-nine million, eight hundred three thousand, seven hundred thirteen".