4449945611 has 2 divisors, whose sum is σ = 4449945612. Its totient is φ = 4449945610.

The previous prime is 4449945587. The next prime is 4449945683. The reversal of 4449945611 is 1165499444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4449945611 - 2¹⁴ = 4449929227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4449945691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2224972805 + 2224972806.

It is an arithmetic number, because the mean of its divisors is an integer number (2224972806).

Almost surely, 2^4449945611 is an apocalyptic number.

4449945611 is a deficient number, since it is larger than the sum of its proper divisors (1).

4449945611 is an equidigital number, since it uses as much as digits as its factorization.

4449945611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 47.

The square root of 4449945611 is about 66707.9126565957. The cubic root of 4449945611 is about 1644.8194553688.

The spelling of 4449945611 in words is "four billion, four hundred forty-nine million, nine hundred forty-five thousand, six hundred eleven".