544389269 has 2 divisors, whose sum is σ = 544389270. Its totient is φ = 544389268.

The previous prime is 544389227. The next prime is 544389289. The reversal of 544389269 is 962983445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298840369 + 245548900 = 17287^2 + 15670^2 .

It is a cyclic number.

It is not a de Polignac number, because 544389269 - 2²⁴ = 527612053 is a prime.

It is a super-2 number, since 2×544389269² = 592719352404708722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544389289) 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, 272194634 + 272194635.

It is an arithmetic number, because the mean of its divisors is an integer number (272194635).

Almost surely, 2^544389269 is an apocalyptic number.

It is an amenable number.

544389269 is a deficient number, since it is larger than the sum of its proper divisors (1).

544389269 is an equidigital number, since it uses as much as digits as its factorization.

544389269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 50.

The square root of 544389269 is about 23332.1509724243. The cubic root of 544389269 is about 816.5256874142.

The spelling of 544389269 in words is "five hundred forty-four million, three hundred eighty-nine thousand, two hundred sixty-nine".