2104321218 has 16 divisors (see below), whose sum is σ = 4209256800. Its totient is φ = 701338016.

The previous prime is 2104321211. The next prime is 2104321243. The reversal of 2104321218 is 8121234012.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2104321211) 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 7 ways as a sum of consecutive naturals, for example, 27358 + ... + 70406.

It is an arithmetic number, because the mean of its divisors is an integer number (263078550).

Almost surely, 2^2104321218 is an apocalyptic number.

2104321218 is an abundant number, since it is smaller than the sum of its proper divisors (2104935582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2104321218 is a wasteful number, since it uses less digits than its factorization.

2104321218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51201.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2104321218 is about 45872.8810736801. The cubic root of 2104321218 is about 1281.4569222082.

The spelling of 2104321218 in words is "two billion, one hundred four million, three hundred twenty-one thousand, two hundred eighteen".