2000018109 has 16 divisors (see below), whose sum is σ = 2821754880. Its totient is φ = 1256549040.

The previous prime is 2000018077. The next prime is 2000018117. The reversal of 2000018109 is 9018100002.

It is not a de Polignac number, because 2000018109 - 2⁵ = 2000018077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000018179) 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, 80967 + ... + 102740.

It is an arithmetic number, because the mean of its divisors is an integer number (176359680).

Almost surely, 2^2000018109 is an apocalyptic number.

It is an amenable number.

2000018109 is a deficient number, since it is larger than the sum of its proper divisors (821736771).

2000018109 is a wasteful number, since it uses less digits than its factorization.

2000018109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183920.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 2000018109 is about 44721.5620143125. The cubic root of 2000018109 is about 1259.9248525351.

The spelling of 2000018109 in words is "two billion, eighteen thousand, one hundred nine".