198228562559 has 2 divisors, whose sum is σ = 198228562560. Its totient is φ = 198228562558.

The previous prime is 198228562537. The next prime is 198228562661. The reversal of 198228562559 is 955265822891.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198228562559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198228565559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99114281279 + 99114281280.

It is an arithmetic number, because the mean of its divisors is an integer number (99114281280).

Almost surely, 2^198228562559 is an apocalyptic number.

198228562559 is a deficient number, since it is larger than the sum of its proper divisors (1).

198228562559 is an equidigital number, since it uses as much as digits as its factorization.

198228562559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104000, while the sum is 62.

The spelling of 198228562559 in words is "one hundred ninety-eight billion, two hundred twenty-eight million, five hundred sixty-two thousand, five hundred fifty-nine".