4421709663 has 64 divisors (see below), whose sum is σ = 7159173120. Its totient is φ = 2374041600.

The previous prime is 4421709647. The next prime is 4421709667. The reversal of 4421709663 is 3669071244.

It is not a de Polignac number, because 4421709663 - 2⁴ = 4421709647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421709667) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6897823 + ... + 6898463.

It is an arithmetic number, because the mean of its divisors is an integer number (111862080).

Almost surely, 2^4421709663 is an apocalyptic number.

4421709663 is a deficient number, since it is larger than the sum of its proper divisors (2737463457).

4421709663 is a wasteful number, since it uses less digits than its factorization.

4421709663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 4421709663 is about 66495.9371916811. The cubic root of 4421709663 is about 1641.3331494617. Note that the first 3 decimals are identical.

The spelling of 4421709663 in words is "four billion, four hundred twenty-one million, seven hundred nine thousand, six hundred sixty-three".