199280049 has 16 divisors (see below), whose sum is σ = 272813184. Its totient is φ = 129315200.

The previous prime is 199280021. The next prime is 199280057. The reversal of 199280049 is 940082991.

199280049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 199280049 - 2²⁵ = 165725617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199280009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60259 + ... + 63479.

It is an arithmetic number, because the mean of its divisors is an integer number (17050824).

Almost surely, 2^199280049 is an apocalyptic number.

It is an amenable number.

199280049 is a deficient number, since it is larger than the sum of its proper divisors (73533135).

199280049 is a wasteful number, since it uses less digits than its factorization.

199280049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 199280049 is about 14116.6585635553. The cubic root of 199280049 is about 584.1009874539.

The spelling of 199280049 in words is "one hundred ninety-nine million, two hundred eighty thousand, forty-nine".