2289528009 has 12 divisors (see below), whose sum is σ = 3315826800. Its totient is φ = 1522322424.

The previous prime is 2289527969. The next prime is 2289528013. The reversal of 2289528009 is 9008259822.

2289528009 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2289528009 - 2⁷ = 2289527881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2289528019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332199 + ... + 339020.

It is an arithmetic number, because the mean of its divisors is an integer number (276318900).

Almost surely, 2^2289528009 is an apocalyptic number.

It is an amenable number.

2289528009 is a deficient number, since it is larger than the sum of its proper divisors (1026298791).

2289528009 is a wasteful number, since it uses less digits than its factorization.

2289528009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671604 (or 671601 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 2289528009 is about 47849.0126230417. The cubic root of 2289528009 is about 1317.9997269433. Note that the first 3 decimals are identical.

The spelling of 2289528009 in words is "two billion, two hundred eighty-nine million, five hundred twenty-eight thousand, nine".