200001999913 has 2 divisors, whose sum is σ = 200001999914. Its totient is φ = 200001999912.

The previous prime is 200001999881. The next prime is 200002000019. The reversal of 200001999913 is 319999100002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157933118464 + 42068881449 = 397408^2 + 205107^2 .

It is a cyclic number.

It is not a de Polignac number, because 200001999913 - 2⁵ = 200001999881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200001999913.

It is not a weakly prime, because it can be changed into another prime (200001999013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000999956 + 100000999957.

It is an arithmetic number, because the mean of its divisors is an integer number (100000999957).

Almost surely, 2^200001999913 is an apocalyptic number.

It is an amenable number.

200001999913 is a deficient number, since it is larger than the sum of its proper divisors (1).

200001999913 is an equidigital number, since it uses as much as digits as its factorization.

200001999913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 43.

The spelling of 200001999913 in words is "two hundred billion, one million, nine hundred ninety-nine thousand, nine hundred thirteen".