4478109489 has 16 divisors (see below), whose sum is σ = 7581984640. Its totient is φ = 2558919600.

The previous prime is 4478109481. The next prime is 4478109521. The reversal of 4478109489 is 9849018744.

4478109489 is a `hidden beast` number, since 4 + 478 + 1 + 0 + 94 + 89 = 666.

It is not a de Polignac number, because 4478109489 - 2³ = 4478109481 is a prime.

It is a super-2 number, since 2×4478109489² = 40106929190943682242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4478109481) 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, 11846662 + ... + 11847039.

It is an arithmetic number, because the mean of its divisors is an integer number (473874040).

Almost surely, 2^4478109489 is an apocalyptic number.

It is an amenable number.

4478109489 is a deficient number, since it is larger than the sum of its proper divisors (3103875151).

4478109489 is a wasteful number, since it uses less digits than its factorization.

4478109489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23693717 (or 23693711 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 4478109489 is about 66918.6781773221. The cubic root of 4478109489 is about 1648.2822023221.

The spelling of 4478109489 in words is "four billion, four hundred seventy-eight million, one hundred nine thousand, four hundred eighty-nine".