2688201289 has 2 divisors, whose sum is σ = 2688201290. Its totient is φ = 2688201288.

The previous prime is 2688201283. The next prime is 2688201311. The reversal of 2688201289 is 9821028862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2605081600 + 83119689 = 51040^2 + 9117^2 .

It is a cyclic number.

It is not a de Polignac number, because 2688201289 - 2³ = 2688201281 is a prime.

It is not a weakly prime, because it can be changed into another prime (2688201281) by changing a digit.

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 as a sum of consecutive naturals, namely, 1344100644 + 1344100645.

It is an arithmetic number, because the mean of its divisors is an integer number (1344100645).

Almost surely, 2^2688201289 is an apocalyptic number.

It is an amenable number.

2688201289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2688201289 is an equidigital number, since it uses as much as digits as its factorization.

2688201289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 2688201289 is about 51847.8667738606. The cubic root of 2688201289 is about 1390.4453637315.

The spelling of 2688201289 in words is "two billion, six hundred eighty-eight million, two hundred one thousand, two hundred eighty-nine".