549873965 has 8 divisors (see below), whose sum is σ = 694577760. Its totient is φ = 416746512.

The previous prime is 549873943. The next prime is 549873971. The reversal of 549873965 is 569378945.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 549873965 - 2¹² = 549869869 is a prime.

It is a super-2 number, since 2×549873965² = 604722754769642450, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 549873965.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2893979 + ... + 2894168.

It is an arithmetic number, because the mean of its divisors is an integer number (86822220).

Almost surely, 2^549873965 is an apocalyptic number.

It is an amenable number.

549873965 is a deficient number, since it is larger than the sum of its proper divisors (144703795).

549873965 is a wasteful number, since it uses less digits than its factorization.

549873965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5788171.

The product of its digits is 8164800, while the sum is 56.

The square root of 549873965 is about 23449.3915699320. The cubic root of 549873965 is about 819.2586820885.

The spelling of 549873965 in words is "five hundred forty-nine million, eight hundred seventy-three thousand, nine hundred sixty-five".