198324815053 has 2 divisors, whose sum is σ = 198324815054. Its totient is φ = 198324815052.

The previous prime is 198324815009. The next prime is 198324815071. The reversal of 198324815053 is 350518423891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158995182564 + 39329632489 = 398742^2 + 198317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198324815053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 198324814988 and 198324815006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198324815653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99162407526 + 99162407527.

It is an arithmetic number, because the mean of its divisors is an integer number (99162407527).

Almost surely, 2^198324815053 is an apocalyptic number.

It is an amenable number.

198324815053 is a deficient number, since it is larger than the sum of its proper divisors (1).

198324815053 is an equidigital number, since it uses as much as digits as its factorization.

198324815053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 198324815053 in words is "one hundred ninety-eight billion, three hundred twenty-four million, eight hundred fifteen thousand, fifty-three".