200090804999 has 4 divisors (see below), whose sum is σ = 206990487960. Its totient is φ = 193191122040.

The previous prime is 200090804987. The next prime is 200090805067. The reversal of 200090804999 is 999408090002.

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

It is a cyclic number.

It is not a de Polignac number, because 200090804999 - 2⁴ = 200090804983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200090804939) 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, 3449841437 + ... + 3449841494.

It is an arithmetic number, because the mean of its divisors is an integer number (51747621990).

Almost surely, 2^200090804999 is an apocalyptic number.

200090804999 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

200090804999 is a deficient number, since it is larger than the sum of its proper divisors (6899682961).

200090804999 is an equidigital number, since it uses as much as digits as its factorization.

200090804999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6899682960.

The product of its (nonzero) digits is 419904, while the sum is 50.

The spelling of 200090804999 in words is "two hundred billion, ninety million, eight hundred four thousand, nine hundred ninety-nine".