5653444609 has 4 divisors (see below), whose sum is σ = 5659026516. Its totient is φ = 5647862704.

The previous prime is 5653444591. The next prime is 5653444633. The reversal of 5653444609 is 9064443565.

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 2849424400 + 2804020209 = 53380^2 + 52953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5653444609 is a prime.

It is a super-2 number, since 2×5653444609² = 63922871894062325762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5653444309) 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 in 3 ways as a sum of consecutive naturals, for example, 2789434 + ... + 2791459.

It is an arithmetic number, because the mean of its divisors is an integer number (1414756629).

Almost surely, 2^5653444609 is an apocalyptic number.

It is an amenable number.

5653444609 is a deficient number, since it is larger than the sum of its proper divisors (5581907).

5653444609 is a wasteful number, since it uses less digits than its factorization.

5653444609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581906.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The square root of 5653444609 is about 75189.3915988153. The cubic root of 5653444609 is about 1781.4393745120.

The spelling of 5653444609 in words is "five billion, six hundred fifty-three million, four hundred forty-four thousand, six hundred nine".