199750395143 has 8 divisors (see below), whose sum is σ = 215409293568. Its totient is φ = 184133422944.

The previous prime is 199750395109. The next prime is 199750395179. The reversal of 199750395143 is 341593057991.

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

It is a cyclic number.

It is not a de Polignac number, because 199750395143 - 2⁸ = 199750394887 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 (199750395443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10471655 + ... + 10490712.

It is an arithmetic number, because the mean of its divisors is an integer number (26926161696).

Almost surely, 2^199750395143 is an apocalyptic number.

199750395143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

199750395143 is a deficient number, since it is larger than the sum of its proper divisors (15658898425).

199750395143 is a wasteful number, since it uses less digits than its factorization.

199750395143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20963113.

The product of its (nonzero) digits is 4592700, while the sum is 56.

The spelling of 199750395143 in words is "one hundred ninety-nine billion, seven hundred fifty million, three hundred ninety-five thousand, one hundred forty-three".