4409449573 has 2 divisors, whose sum is σ = 4409449574. Its totient is φ = 4409449572.

The previous prime is 4409449537. The next prime is 4409449589. The reversal of 4409449573 is 3759449044.

Together with previous prime (4409449537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3363768004 + 1045681569 = 57998^2 + 32337^2 .

It is a cyclic number.

It is not a de Polignac number, because 4409449573 - 2¹³ = 4409441381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4409449973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2204724786 + 2204724787.

It is an arithmetic number, because the mean of its divisors is an integer number (2204724787).

Almost surely, 2^4409449573 is an apocalyptic number.

It is an amenable number.

4409449573 is a deficient number, since it is larger than the sum of its proper divisors (1).

4409449573 is an equidigital number, since it uses as much as digits as its factorization.

4409449573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 4409449573 is about 66403.6864413415. The cubic root of 4409449573 is about 1639.8147685155.

The spelling of 4409449573 in words is "four billion, four hundred nine million, four hundred forty-nine thousand, five hundred seventy-three".