1330331342993 has 2 divisors, whose sum is σ = 1330331342994. Its totient is φ = 1330331342992.

The previous prime is 1330331342969. The next prime is 1330331343053. The reversal of 1330331342993 is 3992431330331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036684403329 + 293646939664 = 1018177^2 + 541892^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330331342993 - 2²⁴ = 1330314565777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1330331342393) 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, 665165671496 + 665165671497.

It is an arithmetic number, because the mean of its divisors is an integer number (665165671497).

Almost surely, 2^{1330331342993} is an apocalyptic number.

It is an amenable number.

1330331342993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330331342993 is an equidigital number, since it uses as much as digits as its factorization.

1330331342993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 44.

The spelling of 1330331342993 in words is "one trillion, three hundred thirty billion, three hundred thirty-one million, three hundred forty-two thousand, nine hundred ninety-three".