200019109 has 4 divisors (see below), whose sum is σ = 208715616. Its totient is φ = 191322604.

The previous prime is 200019107. The next prime is 200019133. The reversal of 200019109 is 901910002.

200019109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200019109 - 2¹ = 200019107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200019109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200019103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4348219 + ... + 4348264.

It is an arithmetic number, because the mean of its divisors is an integer number (52178904).

Almost surely, 2^200019109 is an apocalyptic number.

It is an amenable number.

200019109 is a deficient number, since it is larger than the sum of its proper divisors (8696507).

200019109 is an equidigital number, since it uses as much as digits as its factorization.

200019109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696506.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 200019109 is about 14142.8112127681. The cubic root of 200019109 is about 584.8221720677.

The spelling of 200019109 in words is "two hundred million, nineteen thousand, one hundred nine".