27047749444 has 9 divisors (see below), whose sum is σ = 47334137151. Its totient is φ = 13523710260.

The previous prime is 27047749441. The next prime is 27047749453. The reversal of 27047749444 is 44494774072.

The square root of 27047749444 is 164462.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27047749391 and 27047749400.

It is not an unprimeable number, because it can be changed into a prime (27047749441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 287809 + ... + 370039.

Almost surely, 2^27047749444 is an apocalyptic number.

27047749444 is the 164462-nd square number.

It is an amenable number.

27047749444 is a deficient number, since it is larger than the sum of its proper divisors (20286387707).

27047749444 is an frugal number, since it uses more digits than its factorization.

27047749444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164466 (or 82233 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 52.

The spelling of 27047749444 in words is "twenty-seven billion, forty-seven million, seven hundred forty-nine thousand, four hundred forty-four".