198592386049 has 2 divisors, whose sum is σ = 198592386050. Its totient is φ = 198592386048.

The previous prime is 198592386023. The next prime is 198592386059. The reversal of 198592386049 is 940683295891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153237017025 + 45355369024 = 391455^2 + 212968^2 .

It is a cyclic number.

It is not a de Polignac number, because 198592386049 - 2⁷ = 198592385921 is a prime.

It is not a weakly prime, because it can be changed into another prime (198592386059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99296193024 + 99296193025.

It is an arithmetic number, because the mean of its divisors is an integer number (99296193025).

Almost surely, 2^198592386049 is an apocalyptic number.

It is an amenable number.

198592386049 is a deficient number, since it is larger than the sum of its proper divisors (1).

198592386049 is an equidigital number, since it uses as much as digits as its factorization.

198592386049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33592320, while the sum is 64.

The spelling of 198592386049 in words is "one hundred ninety-eight billion, five hundred ninety-two million, three hundred eighty-six thousand, forty-nine".