32443011021 has 16 divisors (see below), whose sum is σ = 46109304000. Its totient is φ = 20219774208.

The previous prime is 32443011001. The next prime is 32443011059. The reversal of 32443011021 is 12011034423.

It is not a de Polignac number, because 32443011021 - 2⁵ = 32443010989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32443011001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2127091 + ... + 2142288.

It is an arithmetic number, because the mean of its divisors is an integer number (2881831500).

Almost surely, 2^32443011021 is an apocalyptic number.

It is an amenable number.

32443011021 is a deficient number, since it is larger than the sum of its proper divisors (13666292979).

32443011021 is a wasteful number, since it uses less digits than its factorization.

32443011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269548.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 32443011021 its reverse (12011034423), we get a palindrome (44454045444).

The spelling of 32443011021 in words is "thirty-two billion, four hundred forty-three million, eleven thousand, twenty-one".