198355215341 has 2 divisors, whose sum is σ = 198355215342. Its totient is φ = 198355215340.

The previous prime is 198355215329. The next prime is 198355215361. The reversal of 198355215341 is 143512553891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195876171241 + 2479044100 = 442579^2 + 49790^2 .

It is a cyclic number.

It is not a de Polignac number, because 198355215341 - 2⁶ = 198355215277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198355215361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99177607670 + 99177607671.

It is an arithmetic number, because the mean of its divisors is an integer number (99177607671).

Almost surely, 2^198355215341 is an apocalyptic number.

It is an amenable number.

198355215341 is a deficient number, since it is larger than the sum of its proper divisors (1).

198355215341 is an equidigital number, since it uses as much as digits as its factorization.

198355215341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 47.

The spelling of 198355215341 in words is "one hundred ninety-eight billion, three hundred fifty-five million, two hundred fifteen thousand, three hundred forty-one".