2688916265 has 32 divisors (see below), whose sum is σ = 3928103424. Its totient is φ = 1724912640.

The previous prime is 2688916253. The next prime is 2688916273. The reversal of 2688916265 is 5626198862.

It is not a de Polignac number, because 2688916265 - 2¹² = 2688912169 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 85835 + ... + 112895.

It is an arithmetic number, because the mean of its divisors is an integer number (122753232).

Almost surely, 2^2688916265 is an apocalyptic number.

It is an amenable number.

2688916265 is a deficient number, since it is larger than the sum of its proper divisors (1239187159).

2688916265 is a wasteful number, since it uses less digits than its factorization.

2688916265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27257.

The product of its digits is 2488320, while the sum is 53.

The square root of 2688916265 is about 51854.7612568026. The cubic root of 2688916265 is about 1390.5686242112.

The spelling of 2688916265 in words is "two billion, six hundred eighty-eight million, nine hundred sixteen thousand, two hundred sixty-five".