2684434688 has 72 divisors (see below), whose sum is σ = 5794396608. Its totient is φ = 1233856512.

The previous prime is 2684434679. The next prime is 2684434699. The reversal of 2684434688 is 8864344862.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873731 + ... + 876797.

Almost surely, 2^2684434688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2684434688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2897198304).

2684434688 is an abundant number, since it is smaller than the sum of its proper divisors (3109961920).

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

2684434688 is a wasteful number, since it uses less digits than its factorization.

2684434688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359 (or 3345 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 53.

The square root of 2684434688 is about 51811.5304541373. The cubic root of 2684434688 is about 1389.7956478909.

The spelling of 2684434688 in words is "two billion, six hundred eighty-four million, four hundred thirty-four thousand, six hundred eighty-eight".