544987689 has 16 divisors (see below), whose sum is σ = 748347072. Its totient is φ = 352531008.

The previous prime is 544987687. The next prime is 544987721. The reversal of 544987689 is 986789445.

544987689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 544987689 - 2¹ = 544987687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (544987687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34822 + ... + 47984.

It is an arithmetic number, because the mean of its divisors is an integer number (46771692).

Almost surely, 2^544987689 is an apocalyptic number.

It is an amenable number.

544987689 is a deficient number, since it is larger than the sum of its proper divisors (203359383).

544987689 is a wasteful number, since it uses less digits than its factorization.

544987689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13576.

The product of its digits is 17418240, while the sum is 60.

The square root of 544987689 is about 23344.9713857182. The cubic root of 544987689 is about 816.8247665220.

The spelling of 544987689 in words is "five hundred forty-four million, nine hundred eighty-seven thousand, six hundred eighty-nine".