2688119129 has 2 divisors, whose sum is σ = 2688119130. Its totient is φ = 2688119128.

The previous prime is 2688119117. The next prime is 2688119131. The reversal of 2688119129 is 9219118862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1581891529 + 1106227600 = 39773^2 + 33260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2688119129 - 2⁴ = 2688119113 is a prime.

Together with 2688119131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2688119149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344059564 + 1344059565.

It is an arithmetic number, because the mean of its divisors is an integer number (1344059565).

Almost surely, 2^2688119129 is an apocalyptic number.

It is an amenable number.

2688119129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2688119129 is an equidigital number, since it uses as much as digits as its factorization.

2688119129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 47.

The square root of 2688119129 is about 51847.0744497701. The cubic root of 2688119129 is about 1390.4311981064.

The spelling of 2688119129 in words is "two billion, six hundred eighty-eight million, one hundred nineteen thousand, one hundred twenty-nine".