4449612449 has 4 divisors (see below), whose sum is σ = 4450236720. Its totient is φ = 4448988180.

The previous prime is 4449612439. The next prime is 4449612457. The reversal of 4449612449 is 9442169444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4449612449 - 2²⁴ = 4432835233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4449612439) 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, 301319 + ... + 315740.

It is an arithmetic number, because the mean of its divisors is an integer number (1112559180).

Almost surely, 2^4449612449 is an apocalyptic number.

It is an amenable number.

4449612449 is a deficient number, since it is larger than the sum of its proper divisors (624271).

4449612449 is an equidigital number, since it uses as much as digits as its factorization.

4449612449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624270.

The product of its digits is 995328, while the sum is 47.

The square root of 4449612449 is about 66705.4154398277. The cubic root of 4449612449 is about 1644.7784058022.

The spelling of 4449612449 in words is "four billion, four hundred forty-nine million, six hundred twelve thousand, four hundred forty-nine".