544173569 has 2 divisors, whose sum is σ = 544173570. Its totient is φ = 544173568.

The previous prime is 544173527. The next prime is 544173577. The reversal of 544173569 is 965371445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 429940225 + 114233344 = 20735^2 + 10688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544173569 is a prime.

It is a super-2 number, since 2×544173569² = 592249746396395522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (544172569) 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, 272086784 + 272086785.

It is an arithmetic number, because the mean of its divisors is an integer number (272086785).

Almost surely, 2^544173569 is an apocalyptic number.

It is an amenable number.

544173569 is a deficient number, since it is larger than the sum of its proper divisors (1).

544173569 is an equidigital number, since it uses as much as digits as its factorization.

544173569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 44.

The square root of 544173569 is about 23327.5281373745. The cubic root of 544173569 is about 816.4178308567.

The spelling of 544173569 in words is "five hundred forty-four million, one hundred seventy-three thousand, five hundred sixty-nine".