549285066812 has 12 divisors (see below), whose sum is σ = 961273453896. Its totient is φ = 274635508560.

The previous prime is 549285066797. The next prime is 549285066877. The reversal of 549285066812 is 218660582945.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578278 + ... + 1894605.

It is an arithmetic number, because the mean of its divisors is an integer number (80106121158).

Almost surely, 2^549285066812 is an apocalyptic number.

It is an amenable number.

549285066812 is a deficient number, since it is larger than the sum of its proper divisors (411988387084).

549285066812 is a wasteful number, since it uses less digits than its factorization.

549285066812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512428 (or 3512426 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 549285066812 in words is "five hundred forty-nine billion, two hundred eighty-five million, sixty-six thousand, eight hundred twelve".