2019109203 has 12 divisors (see below), whose sum is σ = 2995315648. Its totient is φ = 1309692240.

The previous prime is 2019109177. The next prime is 2019109217. The reversal of 2019109203 is 3029019102.

It is not a de Polignac number, because 2019109203 - 2⁸ = 2019108947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2019109243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3031363 + ... + 3032028.

Almost surely, 2^2019109203 is an apocalyptic number.

2019109203 is a deficient number, since it is larger than the sum of its proper divisors (976206445).

2019109203 is a wasteful number, since it uses less digits than its factorization.

2019109203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6063434 (or 6063431 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 2019109203 is about 44934.4990291424. The cubic root of 2019109203 is about 1263.9210186305.

The spelling of 2019109203 in words is "two billion, nineteen million, one hundred nine thousand, two hundred three".