198793832673 has 4 divisors (see below), whose sum is σ = 265058443568. Its totient is φ = 132529221780.

The previous prime is 198793832647. The next prime is 198793832687. The reversal of 198793832673 is 376238397891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 376238397891 = 3 ⋅125412799297.

It is not a de Polignac number, because 198793832673 - 2¹⁸ = 198793570529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198793832273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33132305443 + ... + 33132305448.

It is an arithmetic number, because the mean of its divisors is an integer number (66264610892).

Almost surely, 2^198793832673 is an apocalyptic number.

It is an amenable number.

198793832673 is a deficient number, since it is larger than the sum of its proper divisors (66264610895).

198793832673 is an equidigital number, since it uses as much as digits as its factorization.

198793832673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66264610894.

The product of its digits is 82301184, while the sum is 66.

The spelling of 198793832673 in words is "one hundred ninety-eight billion, seven hundred ninety-three million, eight hundred thirty-two thousand, six hundred seventy-three".