2806756449 has 16 divisors (see below), whose sum is σ = 4290636672. Its totient is φ = 1598732928.

The previous prime is 2806756439. The next prime is 2806756453. The reversal of 2806756449 is 9446576082.

2806756449 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 2806756449 - 2⁸ = 2806756193 is a prime.

It is a super-3 number, since 3×2806756449³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2806756439) 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, 206934 + ... + 220079.

It is an arithmetic number, because the mean of its divisors is an integer number (268164792).

Almost surely, 2^2806756449 is an apocalyptic number.

It is an amenable number.

2806756449 is a deficient number, since it is larger than the sum of its proper divisors (1483880223).

2806756449 is a wasteful number, since it uses less digits than its factorization.

2806756449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427336.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The square root of 2806756449 is about 52978.8301965983. The cubic root of 2806756449 is about 1410.5925194451.

The spelling of 2806756449 in words is "two billion, eight hundred six million, seven hundred fifty-six thousand, four hundred forty-nine".