2189008441 has 4 divisors (see below), whose sum is σ = 2218994932. Its totient is φ = 2159021952.

The previous prime is 2189008403. The next prime is 2189008447. The reversal of 2189008441 is 1448009812.

2189008441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1745484841 + 443523600 = 41779^2 + 21060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2189008441 - 2¹³ = 2189000249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2189008441.

It is not an unprimeable number, because it can be changed into a prime (2189008447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14993136 + ... + 14993281.

It is an arithmetic number, because the mean of its divisors is an integer number (554748733).

Almost surely, 2^2189008441 is an apocalyptic number.

It is an amenable number.

2189008441 is a deficient number, since it is larger than the sum of its proper divisors (29986491).

2189008441 is an equidigital number, since it uses as much as digits as its factorization.

2189008441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29986490.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 2189008441 is about 46786.8404682342. The cubic root of 2189008441 is about 1298.4218405602.

The spelling of 2189008441 in words is "two billion, one hundred eighty-nine million, eight thousand, four hundred forty-one".