2688916812 has 96 divisors (see below), whose sum is σ = 6677766144. Its totient is φ = 840806400.

The previous prime is 2688916793. The next prime is 2688916847. The reversal of 2688916812 is 2186198862.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1975012 + ... + 1976372.

It is an arithmetic number, because the mean of its divisors is an integer number (69560064).

Almost surely, 2^2688916812 is an apocalyptic number.

It is an amenable number.

2688916812 is an abundant number, since it is smaller than the sum of its proper divisors (3988849332).

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

2688916812 is a wasteful number, since it uses less digits than its factorization.

2688916812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559 (or 1557 counting only the distinct ones).

The product of its digits is 663552, while the sum is 51.

The square root of 2688916812 is about 51854.7665311493. The cubic root of 2688916812 is about 1390.5687185046.

The spelling of 2688916812 in words is "two billion, six hundred eighty-eight million, nine hundred sixteen thousand, eight hundred twelve".