2816289988 has 12 divisors (see below), whose sum is σ = 5043124240. Its totient is φ = 1375397352.

The previous prime is 2816289943. The next prime is 2816290003. The reversal of 2816289988 is 8899826182.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8186718 + ... + 8187061.

Almost surely, 2^2816289988 is an apocalyptic number.

It is an amenable number.

2816289988 is a deficient number, since it is larger than the sum of its proper divisors (2226834252).

2816289988 is a wasteful number, since it uses less digits than its factorization.

2816289988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16373826 (or 16373824 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 61.

The square root of 2816289988 is about 53068.7289088405. The cubic root of 2816289988 is about 1412.1878058877.

The spelling of 2816289988 in words is "two billion, eight hundred sixteen million, two hundred eighty-nine thousand, nine hundred eighty-eight".