544874009 has 2 divisors, whose sum is σ = 544874010. Its totient is φ = 544874008.

The previous prime is 544874003. The next prime is 544874059. The reversal of 544874009 is 900478445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414000409 + 130873600 = 20347^2 + 11440^2 .

It is a cyclic number.

It is not a de Polignac number, because 544874009 - 2²⁰ = 543825433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (544874003) 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, 272437004 + 272437005.

It is an arithmetic number, because the mean of its divisors is an integer number (272437005).

Almost surely, 2^544874009 is an apocalyptic number.

It is an amenable number.

544874009 is a deficient number, since it is larger than the sum of its proper divisors (1).

544874009 is an equidigital number, since it uses as much as digits as its factorization.

544874009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 544874009 is about 23342.5364731428. The cubic root of 544874009 is about 816.7679682381.

The spelling of 544874009 in words is "five hundred forty-four million, eight hundred seventy-four thousand, nine".