4388133664 has 12 divisors (see below), whose sum is σ = 8639138214. Its totient is φ = 2194066816.

The previous prime is 4388133661. The next prime is 4388133689. The reversal of 4388133664 is 4663318834.

It can be written as a sum of positive squares in only one way, i.e., 3306250000 + 1081883664 = 57500^2 + 32892^2 .

It is not an unprimeable number, because it can be changed into a prime (4388133661) by changing a digit.

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 as a sum of consecutive naturals, namely, 68564557 + ... + 68564620.

Almost surely, 2^4388133664 is an apocalyptic number.

It is an amenable number.

4388133664 is a deficient number, since it is larger than the sum of its proper divisors (4251004550).

4388133664 is a wasteful number, since it uses less digits than its factorization.

4388133664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137129187 (or 137129179 counting only the distinct ones).

The product of its digits is 995328, while the sum is 46.

The square root of 4388133664 is about 66242.9895460644. The cubic root of 4388133664 is about 1637.1681329209.

The spelling of 4388133664 in words is "four billion, three hundred eighty-eight million, one hundred thirty-three thousand, six hundred sixty-four".