198272775343 has 4 divisors (see below), whose sum is σ = 198274156120. Its totient is φ = 198271394568.

The previous prime is 198272775341. The next prime is 198272775347. The reversal of 198272775343 is 343577272891.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 198272775343 - 2¹ = 198272775341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198272775341) 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 in 3 ways as a sum of consecutive naturals, for example, 446208 + ... + 771781.

It is an arithmetic number, because the mean of its divisors is an integer number (49568539030).

Almost surely, 2^198272775343 is an apocalyptic number.

198272775343 is a deficient number, since it is larger than the sum of its proper divisors (1380777).

198272775343 is a wasteful number, since it uses less digits than its factorization.

198272775343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380776.

The product of its digits is 17781120, while the sum is 58.

The spelling of 198272775343 in words is "one hundred ninety-eight billion, two hundred seventy-two million, seven hundred seventy-five thousand, three hundred forty-three".