2189484089 has 32 divisors (see below), whose sum is σ = 2493173760. Its totient is φ = 1908878400.

The previous prime is 2189484047. The next prime is 2189484127. The reversal of 2189484089 is 9804849812.

It is a happy number.

It is not a de Polignac number, because 2189484089 - 2¹² = 2189479993 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2189484089.

It is not an unprimeable number, because it can be changed into a prime (2189484029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3536822 + ... + 3537440.

It is an arithmetic number, because the mean of its divisors is an integer number (77911680).

Almost surely, 2^2189484089 is an apocalyptic number.

It is an amenable number.

2189484089 is a deficient number, since it is larger than the sum of its proper divisors (303689671).

2189484089 is a wasteful number, since it uses less digits than its factorization.

2189484089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861.

The product of its (nonzero) digits is 1327104, while the sum is 53.

The square root of 2189484089 is about 46791.9233308485. The cubic root of 2189484089 is about 1298.5158781183.

The spelling of 2189484089 in words is "two billion, one hundred eighty-nine million, four hundred eighty-four thousand, eighty-nine".