330244020412081 has 2 divisors, whose sum is σ = 330244020412082. Its totient is φ = 330244020412080.

The previous prime is 330244020412079. The next prime is 330244020412153. The reversal of 330244020412081 is 180214020442033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295227687560481 + 35016332851600 = 17182191^2 + 5917460^2 .

It is an emirp because it is prime and its reverse (180214020442033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330244020412081 - 2¹ = 330244020412079 is a prime.

It is a super-2 number, since 2×330244020412081² (a number of 30 digits) contains 22 as substring.

Together with 330244020412079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (330244020412051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165122010206040 + 165122010206041.

It is an arithmetic number, because the mean of its divisors is an integer number (165122010206041).

Almost surely, 2^{330244020412081} is an apocalyptic number.

It is an amenable number.

330244020412081 is a deficient number, since it is larger than the sum of its proper divisors (1).

330244020412081 is an equidigital number, since it uses as much as digits as its factorization.

330244020412081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 330244020412081 in words is "three hundred thirty trillion, two hundred forty-four billion, twenty million, four hundred twelve thousand, eighty-one".