4428168409 has 8 divisors (see below), whose sum is σ = 5089037760. Its totient is φ = 3774367536.

The previous prime is 4428168397. The next prime is 4428168413. The reversal of 4428168409 is 9048618244.

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 4428168409 - 2¹¹ = 4428166361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4428168419) 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, 1765774 + ... + 1768279.

It is an arithmetic number, because the mean of its divisors is an integer number (636129720).

Almost surely, 2^4428168409 is an apocalyptic number.

It is an amenable number.

4428168409 is a deficient number, since it is larger than the sum of its proper divisors (660869351).

4428168409 is a wasteful number, since it uses less digits than its factorization.

4428168409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534239.

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 4428168409 is about 66544.4844371042. The cubic root of 4428168409 is about 1642.1319201739.

The spelling of 4428168409 in words is "four billion, four hundred twenty-eight million, one hundred sixty-eight thousand, four hundred nine".