4464259681 has 32 divisors (see below), whose sum is σ = 5561487360. Its totient is φ = 3499239744.

The previous prime is 4464259651. The next prime is 4464259711. The reversal of 4464259681 is 1869524644.

It is an interprime number because it is at equal distance from previous prime (4464259651) and next prime (4464259711).

It is not a de Polignac number, because 4464259681 - 2¹³ = 4464251489 is a prime.

It is a super-2 number, since 2×4464259681² = 39859228998804443522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4464259601) 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 31 ways as a sum of consecutive naturals, for example, 476266 + ... + 485548.

It is an arithmetic number, because the mean of its divisors is an integer number (173796480).

Almost surely, 2^4464259681 is an apocalyptic number.

It is an amenable number.

4464259681 is a deficient number, since it is larger than the sum of its proper divisors (1097227679).

4464259681 is a wasteful number, since it uses less digits than its factorization.

4464259681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9445.

The product of its digits is 1658880, while the sum is 49.

The square root of 4464259681 is about 66815.1156625505. The cubic root of 4464259681 is about 1646.5811893532.

The spelling of 4464259681 in words is "four billion, four hundred sixty-four million, two hundred fifty-nine thousand, six hundred eighty-one".