2289816689 has 4 divisors (see below), whose sum is σ = 2294406000. Its totient is φ = 2285227380.

The previous prime is 2289816677. The next prime is 2289816703. The reversal of 2289816689 is 9866189822.

2289816689 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9866189822 = 2 ⋅4933094911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2289816689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2289816619) 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, 2293907 + ... + 2294904.

It is an arithmetic number, because the mean of its divisors is an integer number (573601500).

Almost surely, 2^2289816689 is an apocalyptic number.

It is an amenable number.

2289816689 is a deficient number, since it is larger than the sum of its proper divisors (4589311).

2289816689 is an equidigital number, since it uses as much as digits as its factorization.

2289816689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589310.

The product of its digits is 5971968, while the sum is 59.

The square root of 2289816689 is about 47852.0291001333. The cubic root of 2289816689 is about 1318.0551188799.

The spelling of 2289816689 in words is "two billion, two hundred eighty-nine million, eight hundred sixteen thousand, six hundred eighty-nine".