2809959060 has 96 divisors (see below), whose sum is σ = 8162582400. Its totient is φ = 721405440.

The previous prime is 2809959049. The next prime is 2809959073. The reversal of 2809959060 is 609599082.

2809959060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657330 + ... + 661590.

It is an arithmetic number, because the mean of its divisors is an integer number (85026900).

Almost surely, 2^2809959060 is an apocalyptic number.

2809959060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2809959060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4081291200).

2809959060 is an abundant number, since it is smaller than the sum of its proper divisors (5352623340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2809959060 is a wasteful number, since it uses less digits than its factorization.

2809959060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681 (or 4679 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 2809959060 is about 53009.0469637023. The cubic root of 2809959060 is about 1411.1288279385.

The spelling of 2809959060 in words is "two billion, eight hundred nine million, nine hundred fifty-nine thousand, sixty".