198580325833 has 2 divisors, whose sum is σ = 198580325834. Its totient is φ = 198580325832.

The previous prime is 198580325819. The next prime is 198580325837. The reversal of 198580325833 is 338523085891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193395893824 + 5184432009 = 439768^2 + 72003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198580325833 is a prime.

It is not a weakly prime, because it can be changed into another prime (198580325837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99290162916 + 99290162917.

It is an arithmetic number, because the mean of its divisors is an integer number (99290162917).

Almost surely, 2^198580325833 is an apocalyptic number.

It is an amenable number.

198580325833 is a deficient number, since it is larger than the sum of its proper divisors (1).

198580325833 is an equidigital number, since it uses as much as digits as its factorization.

198580325833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 198580325833 in words is "one hundred ninety-eight billion, five hundred eighty million, three hundred twenty-five thousand, eight hundred thirty-three".