34331021533 has 2 divisors, whose sum is σ = 34331021534. Its totient is φ = 34331021532.

The previous prime is 34331021521. The next prime is 34331021563. The reversal of 34331021533 is 33512013343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30598055929 + 3732965604 = 174923^2 + 61098^2 .

It is a cyclic number.

It is not a de Polignac number, because 34331021533 - 2³³ = 25741086941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34331021563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17165510766 + 17165510767.

It is an arithmetic number, because the mean of its divisors is an integer number (17165510767).

Almost surely, 2^34331021533 is an apocalyptic number.

It is an amenable number.

34331021533 is a deficient number, since it is larger than the sum of its proper divisors (1).

34331021533 is an equidigital number, since it uses as much as digits as its factorization.

34331021533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 34331021533 its reverse (33512013343), we get a palindrome (67843034876).

The spelling of 34331021533 in words is "thirty-four billion, three hundred thirty-one million, twenty-one thousand, five hundred thirty-three".