199983595935745 has 8 divisors (see below), whose sum is σ = 241236756564480. Its totient is φ = 159149249120880.

The previous prime is 199983595935737. The next prime is 199983595935769. The reversal of 199983595935745 is 547539595389991.

It is a happy number.

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

It is not a de Polignac number, because 199983595935745 - 2³ = 199983595935737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199983595935745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104703452415 + ... + 104703454324.

It is an arithmetic number, because the mean of its divisors is an integer number (30154594570560).

Almost surely, 2^{199983595935745} is an apocalyptic number.

It is an amenable number.

199983595935745 is a deficient number, since it is larger than the sum of its proper divisors (41253160628735).

199983595935745 is a wasteful number, since it uses less digits than its factorization.

199983595935745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209406906935.

The product of its digits is 74401740000, while the sum is 91.

The spelling of 199983595935745 in words is "one hundred ninety-nine trillion, nine hundred eighty-three billion, five hundred ninety-five million, nine hundred thirty-five thousand, seven hundred forty-five".