1330331019973 has 2 divisors, whose sum is σ = 1330331019974. Its totient is φ = 1330331019972.

The previous prime is 1330331019961. The next prime is 1330331020103. The reversal of 1330331019973 is 3799101330331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 909625710049 + 420705309924 = 953743^2 + 648618^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330331019973 - 2²¹ = 1330328922821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330331019923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665165509986 + 665165509987.

It is an arithmetic number, because the mean of its divisors is an integer number (665165509987).

Almost surely, 2^{1330331019973} is an apocalyptic number.

It is an amenable number.

1330331019973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330331019973 is an equidigital number, since it uses as much as digits as its factorization.

1330331019973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137781, while the sum is 43.

The spelling of 1330331019973 in words is "one trillion, three hundred thirty billion, three hundred thirty-one million, nineteen thousand, nine hundred seventy-three".