198352063873 has 2 divisors, whose sum is σ = 198352063874. Its totient is φ = 198352063872.

The previous prime is 198352063853. The next prime is 198352063883. The reversal of 198352063873 is 378360253891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195604521984 + 2747541889 = 442272^2 + 52417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198352063873 is a prime.

It is not a weakly prime, because it can be changed into another prime (198352063813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99176031936 + 99176031937.

It is an arithmetic number, because the mean of its divisors is an integer number (99176031937).

Almost surely, 2^198352063873 is an apocalyptic number.

It is an amenable number.

198352063873 is a deficient number, since it is larger than the sum of its proper divisors (1).

198352063873 is an equidigital number, since it uses as much as digits as its factorization.

198352063873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 198352063873 in words is "one hundred ninety-eight billion, three hundred fifty-two million, sixty-three thousand, eight hundred seventy-three".