198288717093 has 48 divisors (see below), whose sum is σ = 305396512512. Its totient is φ = 128492373600.

The previous prime is 198288717079. The next prime is 198288717113. The reversal of 198288717093 is 390717882891.

It is not a de Polignac number, because 198288717093 - 2⁵ = 198288717061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198288717093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198288717023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 731692548 + ... + 731692818.

It is an arithmetic number, because the mean of its divisors is an integer number (6362427344).

Almost surely, 2^198288717093 is an apocalyptic number.

It is an amenable number.

198288717093 is a deficient number, since it is larger than the sum of its proper divisors (107107795419).

198288717093 is an frugal number, since it uses more digits than its factorization.

198288717093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 63.

The spelling of 198288717093 in words is "one hundred ninety-eight billion, two hundred eighty-eight million, seven hundred seventeen thousand, ninety-three".