2688214816281 has 32 divisors (see below), whose sum is σ = 3692460515328. Its totient is φ = 1738961239680.

The previous prime is 2688214816267. The next prime is 2688214816297. The reversal of 2688214816281 is 1826184128862.

2688214816281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2688214816281 - 2⁵ = 2688214816249 is a prime.

It is a super-2 number, since 2×2688214816281² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2688214816211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7076280 + ... + 7446486.

It is an arithmetic number, because the mean of its divisors is an integer number (115389391104).

Almost surely, 2^{2688214816281} is an apocalyptic number.

It is an amenable number.

2688214816281 is a deficient number, since it is larger than the sum of its proper divisors (1004245699047).

2688214816281 is a wasteful number, since it uses less digits than its factorization.

2688214816281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370821.

The product of its digits is 4718592, while the sum is 57.

The spelling of 2688214816281 in words is "two trillion, six hundred eighty-eight billion, two hundred fourteen million, eight hundred sixteen thousand, two hundred eighty-one".