200091190009 has 2 divisors, whose sum is σ = 200091190010. Its totient is φ = 200091190008.

The previous prime is 200091189979. The next prime is 200091190081. The reversal of 200091190009 is 900091190002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124467840000 + 75623350009 = 352800^2 + 274997^2 .

It is a cyclic number.

It is not a de Polignac number, because 200091190009 - 2¹⁹ = 200090665721 is a prime.

It is not a weakly prime, because it can be changed into another prime (200091190099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100045595004 + 100045595005.

It is an arithmetic number, because the mean of its divisors is an integer number (100045595005).

Almost surely, 2^200091190009 is an apocalyptic number.

It is an amenable number.

200091190009 is a deficient number, since it is larger than the sum of its proper divisors (1).

200091190009 is an equidigital number, since it uses as much as digits as its factorization.

200091190009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 31.

The spelling of 200091190009 in words is "two hundred billion, ninety-one million, one hundred ninety thousand, nine".