5445384449 has 2 divisors, whose sum is σ = 5445384450. Its totient is φ = 5445384448.

The previous prime is 5445384437. The next prime is 5445384463. The reversal of 5445384449 is 9444835445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4845134449 + 600250000 = 69607^2 + 24500^2 .

It is a cyclic number.

It is not a de Polignac number, because 5445384449 - 2⁸ = 5445384193 is a prime.

It is a super-2 number, since 2×5445384449² = 59304423594822067202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5445384397 and 5445384406.

It is not a weakly prime, because it can be changed into another prime (5445384479) 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, 2722692224 + 2722692225.

It is an arithmetic number, because the mean of its divisors is an integer number (2722692225).

Almost surely, 2^5445384449 is an apocalyptic number.

It is an amenable number.

5445384449 is a deficient number, since it is larger than the sum of its proper divisors (1).

5445384449 is an equidigital number, since it uses as much as digits as its factorization.

5445384449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5529600, while the sum is 50.

The square root of 5445384449 is about 73792.8482239302. The cubic root of 5445384449 is about 1759.3119350031.

The spelling of 5445384449 in words is "five billion, four hundred forty-five million, three hundred eighty-four thousand, four hundred forty-nine".