1320013310009 has 2 divisors, whose sum is σ = 1320013310010. Its totient is φ = 1320013310008.

The previous prime is 1320013309949. The next prime is 1320013310051. The reversal of 1320013310009 is 9000133100231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 773470998784 + 546542311225 = 879472^2 + 739285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320013310009 - 2²⁰ = 1320012261433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1320013310069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660006655004 + 660006655005.

It is an arithmetic number, because the mean of its divisors is an integer number (660006655005).

Almost surely, 2^{1320013310009} is an apocalyptic number.

It is an amenable number.

1320013310009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320013310009 is an equidigital number, since it uses as much as digits as its factorization.

1320013310009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The spelling of 1320013310009 in words is "one trillion, three hundred twenty billion, thirteen million, three hundred ten thousand, nine".