32433144021 has 12 divisors (see below), whose sum is σ = 47106705100. Its totient is φ = 21502635840.

The previous prime is 32433144011. The next prime is 32433144089. The reversal of 32433144021 is 12044133423.

32433144021 is a `hidden beast` number, since 3 + 243 + 3 + 14 + 402 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14698895121 + 17734248900 = 121239^2 + 133170^2 .

It is not a de Polignac number, because 32433144021 - 2¹⁷ = 32433012949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32433144011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9953296 + ... + 9956553.

Almost surely, 2^32433144021 is an apocalyptic number.

It is an amenable number.

32433144021 is a deficient number, since it is larger than the sum of its proper divisors (14673561079).

32433144021 is a wasteful number, since it uses less digits than its factorization.

32433144021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19910036 (or 19910033 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 32433144021 its reverse (12044133423), we get a palindrome (44477277444).

The spelling of 32433144021 in words is "thirty-two billion, four hundred thirty-three million, one hundred forty-four thousand, twenty-one".