4489012709 has 4 divisors (see below), whose sum is σ = 4573711116. Its totient is φ = 4404314304.

The previous prime is 4489012651. The next prime is 4489012729. The reversal of 4489012709 is 9072109844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2054083684 + 2434929025 = 45322^2 + 49345^2 .

It is a cyclic number.

It is not a de Polignac number, because 4489012709 - 2³² = 194045413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4489012709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489012729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42349124 + ... + 42349229.

It is an arithmetic number, because the mean of its divisors is an integer number (1143427779).

Almost surely, 2^4489012709 is an apocalyptic number.

It is an amenable number.

4489012709 is a deficient number, since it is larger than the sum of its proper divisors (84698407).

4489012709 is an equidigital number, since it uses as much as digits as its factorization.

4489012709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84698406.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 4489012709 is about 67000.0948432165. The cubic root of 4489012709 is about 1649.6188539893.

The spelling of 4489012709 in words is "four billion, four hundred eighty-nine million, twelve thousand, seven hundred nine".