544457489 has 2 divisors, whose sum is σ = 544457490. Its totient is φ = 544457488.

The previous prime is 544457471. The next prime is 544457539. The reversal of 544457489 is 984754445.

It is an a-pointer prime, because the next prime (544457539) can be obtained adding 544457489 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 527483089 + 16974400 = 22967^2 + 4120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544457489 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (544457689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272228744 + 272228745.

It is an arithmetic number, because the mean of its divisors is an integer number (272228745).

Almost surely, 2^544457489 is an apocalyptic number.

It is an amenable number.

544457489 is a deficient number, since it is larger than the sum of its proper divisors (1).

544457489 is an equidigital number, since it uses as much as digits as its factorization.

544457489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 50.

The square root of 544457489 is about 23333.6128578495. The cubic root of 544457489 is about 816.5597935578.

The spelling of 544457489 in words is "five hundred forty-four million, four hundred fifty-seven thousand, four hundred eighty-nine".