4449144779 has 2 divisors, whose sum is σ = 4449144780. Its totient is φ = 4449144778.

The previous prime is 4449144773. The next prime is 4449144811. The reversal of 4449144779 is 9774419444.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4449144779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4449144779.

It is not a weakly prime, because it can be changed into another prime (4449144773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2224572389 + 2224572390.

It is an arithmetic number, because the mean of its divisors is an integer number (2224572390).

Almost surely, 2^4449144779 is an apocalyptic number.

4449144779 is a deficient number, since it is larger than the sum of its proper divisors (1).

4449144779 is an equidigital number, since it uses as much as digits as its factorization.

4449144779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 53.

The square root of 4449144779 is about 66701.9098602131. The cubic root of 4449144779 is about 1644.7207797747.

The spelling of 4449144779 in words is "four billion, four hundred forty-nine million, one hundred forty-four thousand, seven hundred seventy-nine".