34532021021 has 2 divisors, whose sum is σ = 34532021022. Its totient is φ = 34532021020.

The previous prime is 34532021009. The next prime is 34532021039. The reversal of 34532021021 is 12012023543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33019977796 + 1512043225 = 181714^2 + 38885^2 .

It is a cyclic number.

It is not a de Polignac number, because 34532021021 - 2¹⁰ = 34532019997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34532021071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17266010510 + 17266010511.

It is an arithmetic number, because the mean of its divisors is an integer number (17266010511).

Almost surely, 2^34532021021 is an apocalyptic number.

It is an amenable number.

34532021021 is a deficient number, since it is larger than the sum of its proper divisors (1).

34532021021 is an equidigital number, since it uses as much as digits as its factorization.

34532021021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 34532021021 its reverse (12012023543), we get a palindrome (46544044564).

The spelling of 34532021021 in words is "thirty-four billion, five hundred thirty-two million, twenty-one thousand, twenty-one".