200000999999 has 4 divisors (see below), whose sum is σ = 210527368440. Its totient is φ = 189474631560.

The previous prime is 200000999993. The next prime is 200001000007. The reversal of 200000999999 is 999999000002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200000999999 is a prime.

It is a Duffinian number.

200000999999 is a modest number, since divided by 999999 gives 200000 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200000999993) 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, 5263184192 + ... + 5263184229.

It is an arithmetic number, because the mean of its divisors is an integer number (52631842110).

Almost surely, 2^200000999999 is an apocalyptic number.

200000999999 is a deficient number, since it is larger than the sum of its proper divisors (10526368441).

200000999999 is a wasteful number, since it uses less digits than its factorization.

200000999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10526368440.

The product of its (nonzero) digits is 1062882, while the sum is 56.

It can be divided in two parts, 2000009 and 99999, that multiplied together give a palindrome (199998899991).

The spelling of 200000999999 in words is "two hundred billion, nine hundred ninety-nine thousand, nine hundred ninety-nine".