330745920881 has 2 divisors, whose sum is σ = 330745920882. Its totient is φ = 330745920880.

The previous prime is 330745920863. The next prime is 330745920889. The reversal of 330745920881 is 188029547033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297198335281 + 33547585600 = 545159^2 + 183160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330745920881 is a prime.

It is a super-2 number, since 2×330745920881² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (330745920889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165372960440 + 165372960441.

It is an arithmetic number, because the mean of its divisors is an integer number (165372960441).

Almost surely, 2^330745920881 is an apocalyptic number.

It is an amenable number.

330745920881 is a deficient number, since it is larger than the sum of its proper divisors (1).

330745920881 is an equidigital number, since it uses as much as digits as its factorization.

330745920881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 330745920881 in words is "three hundred thirty billion, seven hundred forty-five million, nine hundred twenty thousand, eight hundred eighty-one".