34305002000221 has 2 divisors, whose sum is σ = 34305002000222. Its totient is φ = 34305002000220.

The previous prime is 34305002000189. The next prime is 34305002000263. The reversal of 34305002000221 is 12200020050343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24134483734596 + 10170518265625 = 4912686^2 + 3189125^2 .

It is a cyclic number.

It is not a de Polignac number, because 34305002000221 - 2⁵ = 34305002000189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34305002000192 and 34305002000201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34305002000821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17152501000110 + 17152501000111.

It is an arithmetic number, because the mean of its divisors is an integer number (17152501000111).

Almost surely, 2^{34305002000221} is an apocalyptic number.

It is an amenable number.

34305002000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34305002000221 is an equidigital number, since it uses as much as digits as its factorization.

34305002000221 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 22.

Adding to 34305002000221 its reverse (12200020050343), we get a palindrome (46505022050564).

The spelling of 34305002000221 in words is "thirty-four trillion, three hundred five billion, two million, two hundred twenty-one", and thus it is an aban number.