198199848369 has 16 divisors (see below), whose sum is σ = 264728610432. Its totient is φ = 131902249728.

The previous prime is 198199848349. The next prime is 198199848401. The reversal of 198199848369 is 963848991891.

198199848369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 198199848369 - 2⁷ = 198199848241 is a prime.

It is a super-3 number, since 3×198199848369³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 198199848369.

It is not an unprimeable number, because it can be changed into a prime (198199848349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12876652 + ... + 12892034.

It is an arithmetic number, because the mean of its divisors is an integer number (16545538152).

Almost surely, 2^198199848369 is an apocalyptic number.

It is an amenable number.

198199848369 is a deficient number, since it is larger than the sum of its proper divisors (66528762063).

198199848369 is a wasteful number, since it uses less digits than its factorization.

198199848369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22616.

The product of its digits is 241864704, while the sum is 75.

The spelling of 198199848369 in words is "one hundred ninety-eight billion, one hundred ninety-nine million, eight hundred forty-eight thousand, three hundred sixty-nine".