198850074219241 has 27 divisors (see below), whose sum is σ = 203490760853079. Its totient is φ = 194314648284432.

The previous prime is 198850074219211. The next prime is 198850074219271. The reversal of 198850074219241 is 142912470058891.

The square root of 198850074219241 is 14101421.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (198850074219211) and next prime (198850074219271).

It can be written as a sum of positive squares in only one way, i.e., 88326821115225 + 110523253104016 = 9398235^2 + 10513004^2 .

It is a de Polignac number, because none of the positive numbers 2^k-198850074219241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 198850074219241.

It is not an unprimeable number, because it can be changed into a prime (198850074219211) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 114743261811 + ... + 114743263543.

Almost surely, 2^{198850074219241} is an apocalyptic number.

198850074219241 is the 14101421-st square number.

198850074219241 is the 7050711-st centered octagonal number.

It is an amenable number.

198850074219241 is a deficient number, since it is larger than the sum of its proper divisors (4640686633838).

198850074219241 is an frugal number, since it uses more digits than its factorization.

198850074219241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 61.

The spelling of 198850074219241 in words is "one hundred ninety-eight trillion, eight hundred fifty billion, seventy-four million, two hundred nineteen thousand, two hundred forty-one".