209009225098099 has 2 divisors, whose sum is σ = 209009225098100. Its totient is φ = 209009225098098.

The previous prime is 209009225098073. The next prime is 209009225098127. The reversal of 209009225098099 is 990890522900902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 209009225098099 - 2⁵ = 209009225098067 is a prime.

It is a super-2 number, since 2×209009225098099² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 209009225098099.

It is not a weakly prime, because it can be changed into another prime (209009225092099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104504612549049 + 104504612549050.

It is an arithmetic number, because the mean of its divisors is an integer number (104504612549050).

Almost surely, 2^{209009225098099} is an apocalyptic number.

209009225098099 is a deficient number, since it is larger than the sum of its proper divisors (1).

209009225098099 is an equidigital number, since it uses as much as digits as its factorization.

209009225098099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18895680, while the sum is 64.

The spelling of 209009225098099 in words is "two hundred nine trillion, nine billion, two hundred twenty-five million, ninety-eight thousand, ninety-nine".