304332442993 has 2 divisors, whose sum is σ = 304332442994. Its totient is φ = 304332442992.

The previous prime is 304332442991. The next prime is 304332443113. The reversal of 304332442993 is 399244233403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215163316449 + 89169126544 = 463857^2 + 298612^2 .

It is a cyclic number.

It is not a de Polignac number, because 304332442993 - 2¹ = 304332442991 is a prime.

Together with 304332442991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (304332442991) 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, 152166221496 + 152166221497.

It is an arithmetic number, because the mean of its divisors is an integer number (152166221497).

Almost surely, 2^304332442993 is an apocalyptic number.

It is an amenable number.

304332442993 is a deficient number, since it is larger than the sum of its proper divisors (1).

304332442993 is an equidigital number, since it uses as much as digits as its factorization.

304332442993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 46.

The spelling of 304332442993 in words is "three hundred four billion, three hundred thirty-two million, four hundred forty-two thousand, nine hundred ninety-three".