198083274971 has 2 divisors, whose sum is σ = 198083274972. Its totient is φ = 198083274970.

The previous prime is 198083274929. The next prime is 198083274989. The reversal of 198083274971 is 179472380891.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198083274971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198083274971.

It is not a weakly prime, because it can be changed into another prime (198083274911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99041637485 + 99041637486.

It is an arithmetic number, because the mean of its divisors is an integer number (99041637486).

Almost surely, 2^198083274971 is an apocalyptic number.

198083274971 is a deficient number, since it is larger than the sum of its proper divisors (1).

198083274971 is an equidigital number, since it uses as much as digits as its factorization.

198083274971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 59.

The spelling of 198083274971 in words is "one hundred ninety-eight billion, eighty-three million, two hundred seventy-four thousand, nine hundred seventy-one".