544565993 has 2 divisors, whose sum is σ = 544565994. Its totient is φ = 544565992.

The previous prime is 544565951. The next prime is 544566007. The reversal of 544565993 is 399565445.

544565993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 500103769 + 44462224 = 22363^2 + 6668^2 .

It is a cyclic number.

It is not a de Polignac number, because 544565993 - 2²⁰ = 543517417 is a prime.

It is not a weakly prime, because it can be changed into another prime (544565093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272282996 + 272282997.

It is an arithmetic number, because the mean of its divisors is an integer number (272282997).

Almost surely, 2^544565993 is an apocalyptic number.

It is an amenable number.

544565993 is a deficient number, since it is larger than the sum of its proper divisors (1).

544565993 is an equidigital number, since it uses as much as digits as its factorization.

544565993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916000, while the sum is 50.

The square root of 544565993 is about 23335.9377998828. The cubic root of 544565993 is about 816.6140335555.

The spelling of 544565993 in words is "five hundred forty-four million, five hundred sixty-five thousand, nine hundred ninety-three".