199343157983 has 8 divisors (see below), whose sum is σ = 210032323200. Its totient is φ = 188673734808.

The previous prime is 199343157961. The next prime is 199343158031. The reversal of 199343157983 is 389751343991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199343157983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199343117983) 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 7 ways as a sum of consecutive naturals, for example, 4914773 + ... + 4955166.

It is an arithmetic number, because the mean of its divisors is an integer number (26254040400).

Almost surely, 2^199343157983 is an apocalyptic number.

199343157983 is a deficient number, since it is larger than the sum of its proper divisors (10689165217).

199343157983 is a wasteful number, since it uses less digits than its factorization.

199343157983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9871021.

The product of its digits is 22044960, while the sum is 62.

The spelling of 199343157983 in words is "one hundred ninety-nine billion, three hundred forty-three million, one hundred fifty-seven thousand, nine hundred eighty-three".