4943329664 has 128 divisors (see below), whose sum is σ = 12162561600. Its totient is φ = 1948852224.

The previous prime is 4943329639. The next prime is 4943329673. The reversal of 4943329664 is 4669233494.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4623722 + ... + 4624790.

Almost surely, 2^4943329664 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 4943329664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6081280800).

4943329664 is an abundant number, since it is smaller than the sum of its proper divisors (7219231936).

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

4943329664 is a wasteful number, since it uses less digits than its factorization.

4943329664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1488 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 50.

The square root of 4943329664 is about 70308.8164030657. The cubic root of 4943329664 is about 1703.4910571287.

It can be divided in two parts, 49433 and 29664, that added together give a palindrome (79097).

The spelling of 4943329664 in words is "four billion, nine hundred forty-three million, three hundred twenty-nine thousand, six hundred sixty-four".