4433173668 has 216 divisors, whose sum is σ = 14526255744. Its totient is φ = 1126742400.

The previous prime is 4433173643. The next prime is 4433173699. The reversal of 4433173668 is 8663713344.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 909558 + ... + 914418.

It is an arithmetic number, because the mean of its divisors is an integer number (67251184).

Almost surely, 2^4433173668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4433173668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7263127872).

4433173668 is an abundant number, since it is smaller than the sum of its proper divisors (10093082076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4433173668 is a wasteful number, since it uses less digits than its factorization.

4433173668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4943 (or 4931 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 4433173668 is about 66582.0821843234. The cubic root of 4433173668 is about 1642.7504001667.

It can be divided in two parts, 443317 and 3668, that added together give a triangular number (446985 = T₉₄₅).

The spelling of 4433173668 in words is "four billion, four hundred thirty-three million, one hundred seventy-three thousand, six hundred sixty-eight".