549079663 has 4 divisors (see below), whose sum is σ = 598996008. Its totient is φ = 499163320.

The previous prime is 549079627. The next prime is 549079691. The reversal of 549079663 is 366970945.

549079663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 549079663 - 2²¹ = 546982511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549079693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24958156 + ... + 24958177.

It is an arithmetic number, because the mean of its divisors is an integer number (149749002).

Almost surely, 2^549079663 is an apocalyptic number.

549079663 is a deficient number, since it is larger than the sum of its proper divisors (49916345).

549079663 is a wasteful number, since it uses less digits than its factorization.

549079663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49916344.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The square root of 549079663 is about 23432.4489330501. The cubic root of 549079663 is about 818.8640144391.

The spelling of 549079663 in words is "five hundred forty-nine million, seventy-nine thousand, six hundred sixty-three".