4447733666 has 8 divisors (see below), whose sum is σ = 6851914140. Its totient is φ = 2163762288.

The previous prime is 4447733663. The next prime is 4447733677. The reversal of 4447733666 is 6663377444.

It can be written as a sum of positive squares in 2 ways, for example, as 4229551225 + 218182441 = 65035^2 + 14771^2 .

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

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (4447733663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30052181 + ... + 30052328.

Almost surely, 2^4447733666 is an apocalyptic number.

4447733666 is a deficient number, since it is larger than the sum of its proper divisors (2404180474).

4447733666 is a wasteful number, since it uses less digits than its factorization.

4447733666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60104548.

The product of its digits is 6096384, while the sum is 50.

The square root of 4447733666 is about 66691.3312657650. The cubic root of 4447733666 is about 1644.5468787668.

The spelling of 4447733666 in words is "four billion, four hundred forty-seven million, seven hundred thirty-three thousand, six hundred sixty-six".