199775794982401 has 8 divisors (see below), whose sum is σ = 218261060364384. Its totient is φ = 181344501179520.

The previous prime is 199775794982363. The next prime is 199775794982431. The reversal of 199775794982401 is 104289497577991.

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 199775794982401 - 2¹¹ = 199775794980353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199775794982431) 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, 13492887031 + ... + 13492901836.

It is an arithmetic number, because the mean of its divisors is an integer number (27282632545548).

Almost surely, 2^{199775794982401} is an apocalyptic number.

199775794982401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

199775794982401 is a deficient number, since it is larger than the sum of its proper divisors (18485265381983).

199775794982401 is a wasteful number, since it uses less digits than its factorization.

199775794982401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26985789551.

The product of its (nonzero) digits is 2880541440, while the sum is 82.

The spelling of 199775794982401 in words is "one hundred ninety-nine trillion, seven hundred seventy-five billion, seven hundred ninety-four million, nine hundred eighty-two thousand, four hundred one".