4421849966 has 8 divisors (see below), whose sum is σ = 6634910880. Its totient is φ = 2210213008.

The previous prime is 4421849963. The next prime is 4421849989. The reversal of 4421849966 is 6699481244.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421849963) 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, 348191 + ... + 360666.

It is an arithmetic number, because the mean of its divisors is an integer number (829363860).

Almost surely, 2^4421849966 is an apocalyptic number.

4421849966 is a deficient number, since it is larger than the sum of its proper divisors (2213060914).

4421849966 is a wasteful number, since it uses less digits than its factorization.

4421849966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711978.

The product of its digits is 2985984, while the sum is 53.

The square root of 4421849966 is about 66496.9921575405. The cubic root of 4421849966 is about 1641.3505093780.

The spelling of 4421849966 in words is "four billion, four hundred twenty-one million, eight hundred forty-nine thousand, nine hundred sixty-six".