199472339182783 has 4 divisors (see below), whose sum is σ = 199515338182720. Its totient is φ = 199429340182848.

The previous prime is 199472339182729. The next prime is 199472339182813. The reversal of 199472339182783 is 387281933274991.

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 199472339182783 - 2⁴⁵ = 164287967093951 is a prime.

It is a super-2 number, since 2×199472339182783² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199472339182703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21499493010 + ... + 21499502287.

It is an arithmetic number, because the mean of its divisors is an integer number (49878834545680).

Almost surely, 2^{199472339182783} is an apocalyptic number.

199472339182783 is a deficient number, since it is larger than the sum of its proper divisors (42998999937).

199472339182783 is an equidigital number, since it uses as much as digits as its factorization.

199472339182783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42998999936.

The product of its digits is 987614208, while the sum is 76.

The spelling of 199472339182783 in words is "one hundred ninety-nine trillion, four hundred seventy-two billion, three hundred thirty-nine million, one hundred eighty-two thousand, seven hundred eighty-three".