198303808207 has 2 divisors, whose sum is σ = 198303808208. Its totient is φ = 198303808206.

The previous prime is 198303808189. The next prime is 198303808321. The reversal of 198303808207 is 702808303891.

It is a weak prime.

It is an emirp because it is prime and its reverse (702808303891) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198303808207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198303808607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99151904103 + 99151904104.

It is an arithmetic number, because the mean of its divisors is an integer number (99151904104).

Almost surely, 2^198303808207 is an apocalyptic number.

198303808207 is a deficient number, since it is larger than the sum of its proper divisors (1).

198303808207 is an equidigital number, since it uses as much as digits as its factorization.

198303808207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 198303808207 in words is "one hundred ninety-eight billion, three hundred three million, eight hundred eight thousand, two hundred seven".