198326062289 has 2 divisors, whose sum is σ = 198326062290. Its totient is φ = 198326062288.

The previous prime is 198326062223. The next prime is 198326062327. The reversal of 198326062289 is 982260623891.

198326062289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140104233025 + 58221829264 = 374305^2 + 241292^2 .

It is an emirp because it is prime and its reverse (982260623891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198326062289 - 2¹² = 198326058193 is a prime.

It is not a weakly prime, because it can be changed into another prime (198326062889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99163031144 + 99163031145.

It is an arithmetic number, because the mean of its divisors is an integer number (99163031145).

Almost surely, 2^198326062289 is an apocalyptic number.

It is an amenable number.

198326062289 is a deficient number, since it is larger than the sum of its proper divisors (1).

198326062289 is an equidigital number, since it uses as much as digits as its factorization.

198326062289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 198326062289 in words is "one hundred ninety-eight billion, three hundred twenty-six million, sixty-two thousand, two hundred eighty-nine".