544638671 has 2 divisors, whose sum is σ = 544638672. Its totient is φ = 544638670.

The previous prime is 544638649. The next prime is 544638691. The reversal of 544638671 is 176836445.

544638671 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 is a cyclic number.

It is not a de Polignac number, because 544638671 - 2¹⁰ = 544637647 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544638691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272319335 + 272319336.

It is an arithmetic number, because the mean of its divisors is an integer number (272319336).

Almost surely, 2^544638671 is an apocalyptic number.

544638671 is a deficient number, since it is larger than the sum of its proper divisors (1).

544638671 is an equidigital number, since it uses as much as digits as its factorization.

544638671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The square root of 544638671 is about 23337.4949598281. The cubic root of 544638671 is about 816.6503604870.

The spelling of 544638671 in words is "five hundred forty-four million, six hundred thirty-eight thousand, six hundred seventy-one".