2688856233 has 16 divisors (see below), whose sum is σ = 4180924800. Its totient is φ = 1536488688.

The previous prime is 2688856217. The next prime is 2688856237. The reversal of 2688856233 is 3326588862.

It is not a de Polignac number, because 2688856233 - 2⁴ = 2688856217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2688856237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1305510 + ... + 1307567.

It is an arithmetic number, because the mean of its divisors is an integer number (261307800).

Almost surely, 2^2688856233 is an apocalyptic number.

It is an amenable number.

2688856233 is a deficient number, since it is larger than the sum of its proper divisors (1492068567).

2688856233 is an equidigital number, since it uses as much as digits as its factorization.

2688856233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613101 (or 2613087 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The square root of 2688856233 is about 51854.1824060509. The cubic root of 2688856233 is about 1390.5582756508.

The spelling of 2688856233 in words is "two billion, six hundred eighty-eight million, eight hundred fifty-six thousand, two hundred thirty-three".