2809133230 has 16 divisors (see below), whose sum is σ = 5079118464. Its totient is φ = 1118613600.

The previous prime is 2809133191. The next prime is 2809133233. The reversal of 2809133230 is 323319082.

It is a junction number, because it is equal to n+sod(n) for n = 2809133192 and 2809133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2809133233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627621 + ... + 632080.

It is an arithmetic number, because the mean of its divisors is an integer number (317444904).

Almost surely, 2^2809133230 is an apocalyptic number.

2809133230 is a deficient number, since it is larger than the sum of its proper divisors (2269985234).

2809133230 is a wasteful number, since it uses less digits than its factorization.

2809133230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259931.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2809133230 is about 53001.2568718894. The cubic root of 2809133230 is about 1410.9905736464.

The spelling of 2809133230 in words is "two billion, eight hundred nine million, one hundred thirty-three thousand, two hundred thirty".