2688133211 has 16 divisors (see below), whose sum is σ = 2980411200. Its totient is φ = 2419905664.

The previous prime is 2688133199. The next prime is 2688133229. The reversal of 2688133211 is 1123318862.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2688133211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2688133291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101105 + ... + 124893.

It is an arithmetic number, because the mean of its divisors is an integer number (186275700).

Almost surely, 2^2688133211 is an apocalyptic number.

2688133211 is a deficient number, since it is larger than the sum of its proper divisors (292277989).

2688133211 is an equidigital number, since it uses as much as digits as its factorization.

2688133211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23863 (or 23829 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 2688133211 is about 51847.2102528188. The cubic root of 2688133211 is about 1390.4336260764.

The spelling of 2688133211 in words is "two billion, six hundred eighty-eight million, one hundred thirty-three thousand, two hundred eleven".