199002011 has 4 divisors (see below), whose sum is σ = 214309872. Its totient is φ = 183694152.

The previous prime is 199001977. The next prime is 199002059. The reversal of 199002011 is 110200991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 199002011 - 2²² = 194807707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199002061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7653911 + ... + 7653936.

It is an arithmetic number, because the mean of its divisors is an integer number (53577468).

Almost surely, 2^199002011 is an apocalyptic number.

199002011 is a deficient number, since it is larger than the sum of its proper divisors (15307861).

199002011 is a wasteful number, since it uses less digits than its factorization.

199002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15307860.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 199002011 is about 14106.8072574910. The cubic root of 199002011 is about 583.8292127022.

The spelling of 199002011 in words is "one hundred ninety-nine million, two thousand, eleven".