4417749681 has 8 divisors (see below), whose sum is σ = 5927851584. Its totient is φ = 2926407120.

The previous prime is 4417749671. The next prime is 4417749683. The reversal of 4417749681 is 1869477144.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4417749681 - 2⁹ = 4417749169 is a prime.

It is a super-2 number, since 2×4417749681² = 39033024487951203522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) 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 (4417749683) 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 7 ways as a sum of consecutive naturals, for example, 4689285 + ... + 4690226.

It is an arithmetic number, because the mean of its divisors is an integer number (740981448).

Almost surely, 2^4417749681 is an apocalyptic number.

It is an amenable number.

4417749681 is a deficient number, since it is larger than the sum of its proper divisors (1510101903).

4417749681 is a wasteful number, since it uses less digits than its factorization.

4417749681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9379671.

The product of its digits is 1354752, while the sum is 51.

The square root of 4417749681 is about 66466.1544020714. The cubic root of 4417749681 is about 1640.8430229795.

The spelling of 4417749681 in words is "four billion, four hundred seventeen million, seven hundred forty-nine thousand, six hundred eighty-one".