32946331021 has 2 divisors, whose sum is σ = 32946331022. Its totient is φ = 32946331020.

The previous prime is 32946331003. The next prime is 32946331027. The reversal of 32946331021 is 12013364923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17499321225 + 15447009796 = 132285^2 + 124286^2 .

It is a cyclic number.

It is not a de Polignac number, because 32946331021 - 2⁹ = 32946330509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32946331027) 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 as a sum of consecutive naturals, namely, 16473165510 + 16473165511.

It is an arithmetic number, because the mean of its divisors is an integer number (16473165511).

Almost surely, 2^32946331021 is an apocalyptic number.

It is an amenable number.

32946331021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32946331021 is an equidigital number, since it uses as much as digits as its factorization.

32946331021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

Adding to 32946331021 its reverse (12013364923), we get a palindrome (44959695944).

The spelling of 32946331021 in words is "thirty-two billion, nine hundred forty-six million, three hundred thirty-one thousand, twenty-one".