2444648449 has 4 divisors (see below), whose sum is σ = 2550937536. Its totient is φ = 2338359364.

The previous prime is 2444648447. The next prime is 2444648483. The reversal of 2444648449 is 9448464442.

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 2444648449 - 2¹ = 2444648447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2444648447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53144509 + ... + 53144554.

It is an arithmetic number, because the mean of its divisors is an integer number (637734384).

Almost surely, 2^2444648449 is an apocalyptic number.

It is an amenable number.

2444648449 is a deficient number, since it is larger than the sum of its proper divisors (106289087).

2444648449 is a wasteful number, since it uses less digits than its factorization.

2444648449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106289086.

The product of its digits is 3538944, while the sum is 49.

The square root of 2444648449 is about 49443.3863019110. The cubic root of 2444648449 is about 1347.1174799850.

The spelling of 2444648449 in words is "two billion, four hundred forty-four million, six hundred forty-eight thousand, four hundred forty-nine".