199808993275 has 6 divisors (see below), whose sum is σ = 247763151692. Its totient is φ = 159847194600.

The previous prime is 199808993249. The next prime is 199808993291. The reversal of 199808993275 is 572399808991.

It is not a de Polignac number, because 199808993275 - 2¹¹ = 199808991227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3996179841 + ... + 3996179890.

Almost surely, 2^199808993275 is an apocalyptic number.

199808993275 is a deficient number, since it is larger than the sum of its proper divisors (47954158417).

199808993275 is an equidigital number, since it uses as much as digits as its factorization.

199808993275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7992359741 (or 7992359736 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 70.

The spelling of 199808993275 in words is "one hundred ninety-nine billion, eight hundred eight million, nine hundred ninety-three thousand, two hundred seventy-five".