4421043873 has 24 divisors (see below), whose sum is σ = 6498810240. Its totient is φ = 2895346080.

The previous prime is 4421043857. The next prime is 4421043883. The reversal of 4421043873 is 3783401244.

4421043873 is a `hidden beast` number, since 4 + 4 + 210 + 438 + 7 + 3 = 666.

It is not a de Polignac number, because 4421043873 - 2⁴ = 4421043857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4421043853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1215768 + ... + 1219398.

It is an arithmetic number, because the mean of its divisors is an integer number (270783760).

Almost surely, 2^4421043873 is an apocalyptic number.

It is an amenable number.

4421043873 is a deficient number, since it is larger than the sum of its proper divisors (2077766367).

4421043873 is a wasteful number, since it uses less digits than its factorization.

4421043873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5989 (or 5986 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 4421043873 is about 66490.9307575101. The cubic root of 4421043873 is about 1641.2507651855.

The spelling of 4421043873 in words is "four billion, four hundred twenty-one million, forty-three thousand, eight hundred seventy-three".