544223089 has 2 divisors, whose sum is σ = 544223090. Its totient is φ = 544223088.

The previous prime is 544223087. The next prime is 544223101. The reversal of 544223089 is 980322445.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543822400 + 400689 = 23320^2 + 633^2 .

It is a cyclic number.

It is not a de Polignac number, because 544223089 - 2¹ = 544223087 is a prime.

Together with 544223087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (544223087) 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, 272111544 + 272111545.

It is an arithmetic number, because the mean of its divisors is an integer number (272111545).

Almost surely, 2^544223089 is an apocalyptic number.

It is an amenable number.

544223089 is a deficient number, since it is larger than the sum of its proper divisors (1).

544223089 is an equidigital number, since it uses as much as digits as its factorization.

544223089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 544223089 is about 23328.5895201574. The cubic root of 544223089 is about 816.4425948824.

The spelling of 544223089 in words is "five hundred forty-four million, two hundred twenty-three thousand, eighty-nine".