329034234448021 has 2 divisors, whose sum is σ = 329034234448022. Its totient is φ = 329034234448020.

The previous prime is 329034234447953. The next prime is 329034234448121. The reversal of 329034234448021 is 120844432430923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204183780125521 + 124850454322500 = 14289289^2 + 11173650^2 .

It is an emirp because it is prime and its reverse (120844432430923) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-329034234448021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (329034234448121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164517117224010 + 164517117224011.

It is an arithmetic number, because the mean of its divisors is an integer number (164517117224011).

Almost surely, 2^{329034234448021} is an apocalyptic number.

It is an amenable number.

329034234448021 is a deficient number, since it is larger than the sum of its proper divisors (1).

329034234448021 is an equidigital number, since it uses as much as digits as its factorization.

329034234448021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3981312, while the sum is 49.

Adding to 329034234448021 its reverse (120844432430923), we get a palindrome (449878666878944).

The spelling of 329034234448021 in words is "three hundred twenty-nine trillion, thirty-four billion, two hundred thirty-four million, four hundred forty-eight thousand, twenty-one".