34245066221 has 2 divisors, whose sum is σ = 34245066222. Its totient is φ = 34245066220.

The previous prime is 34245066211. The next prime is 34245066293. The reversal of 34245066221 is 12266054243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24222253225 + 10022812996 = 155635^2 + 100114^2 .

It is an emirp because it is prime and its reverse (12266054243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34245066221 - 2²⁶ = 34177957357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34245066211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17122533110 + 17122533111.

It is an arithmetic number, because the mean of its divisors is an integer number (17122533111).

Almost surely, 2^34245066221 is an apocalyptic number.

It is an amenable number.

34245066221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34245066221 is an equidigital number, since it uses as much as digits as its factorization.

34245066221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 34245066221 in words is "thirty-four billion, two hundred forty-five million, sixty-six thousand, two hundred twenty-one".