34033412221 has 2 divisors, whose sum is σ = 34033412222. Its totient is φ = 34033412220.

The previous prime is 34033412201. The next prime is 34033412263. The reversal of 34033412221 is 12221433043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33128004121 + 905408100 = 182011^2 + 30090^2 .

It is a cyclic number.

It is not a de Polignac number, because 34033412221 - 2³³ = 25443477629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34033412201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17016706110 + 17016706111.

It is an arithmetic number, because the mean of its divisors is an integer number (17016706111).

Almost surely, 2^34033412221 is an apocalyptic number.

It is an amenable number.

34033412221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34033412221 is an equidigital number, since it uses as much as digits as its factorization.

34033412221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 34033412221 its reverse (12221433043), we get a palindrome (46254845264).

The spelling of 34033412221 in words is "thirty-four billion, thirty-three million, four hundred twelve thousand, two hundred twenty-one".