4438682491 has 16 divisors (see below), whose sum is σ = 4579795584. Its totient is φ = 4299744384.

The previous prime is 4438682483. The next prime is 4438682519. The reversal of 4438682491 is 1942868344.

It is a cyclic number.

It is not a de Polignac number, because 4438682491 - 2³ = 4438682483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4438682401) 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, 2161021 + ... + 2163073.

It is an arithmetic number, because the mean of its divisors is an integer number (286237224).

Almost surely, 2^4438682491 is an apocalyptic number.

4438682491 is a deficient number, since it is larger than the sum of its proper divisors (141113093).

4438682491 is a wasteful number, since it uses less digits than its factorization.

4438682491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550.

The product of its digits is 1327104, while the sum is 49.

The square root of 4438682491 is about 66623.4380004515. The cubic root of 4438682491 is about 1643.4305656634.

The spelling of 4438682491 in words is "four billion, four hundred thirty-eight million, six hundred eighty-two thousand, four hundred ninety-one".