330793082981 has 2 divisors, whose sum is σ = 330793082982. Its totient is φ = 330793082980.

The previous prime is 330793082953. The next prime is 330793083007. The reversal of 330793082981 is 189280397033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320997032356 + 9796050625 = 566566^2 + 98975^2 .

It is a cyclic number.

It is not a de Polignac number, because 330793082981 - 2¹⁸ = 330792820837 is a prime.

It is a super-2 number, since 2×330793082981² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330793082881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165396541490 + 165396541491.

It is an arithmetic number, because the mean of its divisors is an integer number (165396541491).

Almost surely, 2^330793082981 is an apocalyptic number.

It is an amenable number.

330793082981 is a deficient number, since it is larger than the sum of its proper divisors (1).

330793082981 is an equidigital number, since it uses as much as digits as its factorization.

330793082981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 330793082981 in words is "three hundred thirty billion, seven hundred ninety-three million, eighty-two thousand, nine hundred eighty-one".