4454550565 has 4 divisors (see below), whose sum is σ = 5345460684. Its totient is φ = 3563640448.

The previous prime is 4454550469. The next prime is 4454550571. The reversal of 4454550565 is 5650554544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1842727329 + 2611823236 = 42927^2 + 51106^2 .

It is a cyclic number.

It is not a de Polignac number, because 4454550565 - 2¹¹ = 4454548517 is a prime.

It is a super-2 number, since 2×4454550565² = 39686041472283638450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 445455052 + ... + 445455061.

It is an arithmetic number, because the mean of its divisors is an integer number (1336365171).

Almost surely, 2^4454550565 is an apocalyptic number.

It is an amenable number.

4454550565 is a deficient number, since it is larger than the sum of its proper divisors (890910119).

4454550565 is an equidigital number, since it uses as much as digits as its factorization.

4454550565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890910118.

The product of its (nonzero) digits is 1200000, while the sum is 43.

The square root of 4454550565 is about 66742.4195321087. The cubic root of 4454550565 is about 1645.3866313430.

The spelling of 4454550565 in words is "four billion, four hundred fifty-four million, five hundred fifty thousand, five hundred sixty-five".