4509777409 has 8 divisors (see below), whose sum is σ = 4520007360. Its totient is φ = 4499560656.

The previous prime is 4509777403. The next prime is 4509777479. The reversal of 4509777409 is 9047779054.

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

It is a cyclic number.

It is not a de Polignac number, because 4509777409 - 2⁹ = 4509776897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4509777403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981732 + ... + 986314.

It is an arithmetic number, because the mean of its divisors is an integer number (565000920).

Almost surely, 2^4509777409 is an apocalyptic number.

It is an amenable number.

4509777409 is a deficient number, since it is larger than the sum of its proper divisors (10229951).

4509777409 is a wasteful number, since it uses less digits than its factorization.

4509777409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6599.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The square root of 4509777409 is about 67154.8762860896. The cubic root of 4509777409 is about 1652.1584740548.

The spelling of 4509777409 in words is "four billion, five hundred nine million, seven hundred seventy-seven thousand, four hundred nine".