32432242021 has 2 divisors, whose sum is σ = 32432242022. Its totient is φ = 32432242020.

The previous prime is 32432242001. The next prime is 32432242069. The reversal of 32432242021 is 12024223423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20002444900 + 12429797121 = 141430^2 + 111489^2 .

It is a cyclic number.

It is not a de Polignac number, because 32432242021 - 2²¹ = 32430144869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32432242001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16216121010 + 16216121011.

It is an arithmetic number, because the mean of its divisors is an integer number (16216121011).

Almost surely, 2^32432242021 is an apocalyptic number.

It is an amenable number.

32432242021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32432242021 is an equidigital number, since it uses as much as digits as its factorization.

32432242021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 32432242021 its reverse (12024223423), we get a palindrome (44456465444).

The spelling of 32432242021 in words is "thirty-two billion, four hundred thirty-two million, two hundred forty-two thousand, twenty-one".