2189309120 has 56 divisors (see below), whose sum is σ = 5221364208. Its totient is φ = 874368000.

The previous prime is 2189309117. The next prime is 2189309141. The reversal of 2189309120 is 219039812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216170 + ... + 226070.

Almost surely, 2^2189309120 is an apocalyptic number.

2189309120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2189309120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2610682104).

2189309120 is an abundant number, since it is smaller than the sum of its proper divisors (3032055088).

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

2189309120 is an equidigital number, since it uses as much as digits as its factorization.

2189309120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10609 (or 10599 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 2189309120 is about 46790.0536439103. The cubic root of 2189309120 is about 1298.4812876139.

The spelling of 2189309120 in words is "two billion, one hundred eighty-nine million, three hundred nine thousand, one hundred twenty".