2868081281 has 16 divisors (see below), whose sum is σ = 3233276928. Its totient is φ = 2525947200.

The previous prime is 2868081263. The next prime is 2868081289. The reversal of 2868081281 is 1821808682.

It is a happy number.

2868081281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2868081281 - 2¹⁴ = 2868064897 is a prime.

It is a super-2 number, since 2×2868081281² = 16451780468845201922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2868081289) 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, 21506 + ... + 78731.

It is an arithmetic number, because the mean of its divisors is an integer number (202079808).

Almost surely, 2^2868081281 is an apocalyptic number.

It is an amenable number.

2868081281 is a deficient number, since it is larger than the sum of its proper divisors (365195647).

2868081281 is a wasteful number, since it uses less digits than its factorization.

2868081281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100352.

The product of its (nonzero) digits is 98304, while the sum is 44.

The square root of 2868081281 is about 53554.4702242493. The cubic root of 2868081281 is about 1420.7919408777.

The spelling of 2868081281 in words is "two billion, eight hundred sixty-eight million, eighty-one thousand, two hundred eighty-one".