2203979109 has 16 divisors (see below), whose sum is σ = 2952936000. Its totient is φ = 1462186496.

The previous prime is 2203979087. The next prime is 2203979123. The reversal of 2203979109 is 9019793022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2203979109 - 2⁵ = 2203979077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203979009) 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, 815242 + ... + 817940.

It is an arithmetic number, because the mean of its divisors is an integer number (184558500).

Almost surely, 2^2203979109 is an apocalyptic number.

It is an amenable number.

2203979109 is a deficient number, since it is larger than the sum of its proper divisors (748956891).

2203979109 is a wasteful number, since it uses less digits than its factorization.

2203979109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 2203979109 is about 46946.5558800643. Note that the first 3 decimals coincide. The cubic root of 2203979109 is about 1301.3750950578.

The spelling of 2203979109 in words is "two billion, two hundred three million, nine hundred seventy-nine thousand, one hundred nine".