4451086081 has 16 divisors (see below), whose sum is σ = 5080489344. Its totient is φ = 3863165184.

The previous prime is 4451086043. The next prime is 4451086093. The reversal of 4451086081 is 1806801544.

It is a cyclic number.

It is not a de Polignac number, because 4451086081 - 2⁷ = 4451085953 is a prime.

It is a super-2 number, since 2×4451086081² = 39624334600943877122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4451086081.

It is not an unprimeable number, because it can be changed into a prime (4451086001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 225450 + ... + 244396.

It is an arithmetic number, because the mean of its divisors is an integer number (317530584).

Almost surely, 2^4451086081 is an apocalyptic number.

It is an amenable number.

4451086081 is a deficient number, since it is larger than the sum of its proper divisors (629403263).

4451086081 is a wasteful number, since it uses less digits than its factorization.

4451086081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20040.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 4451086081 is about 66716.4603452551. The cubic root of 4451086081 is about 1644.9599594840.

The spelling of 4451086081 in words is "four billion, four hundred fifty-one million, eighty-six thousand, eighty-one".