1316305036729 has 2 divisors, whose sum is σ = 1316305036730. Its totient is φ = 1316305036728.

The previous prime is 1316305036727. The next prime is 1316305036817. The reversal of 1316305036729 is 9276305036131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1285241679225 + 31063357504 = 1133685^2 + 176248^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316305036729 - 2¹ = 1316305036727 is a prime.

Together with 1316305036727, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1316305036723) 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, 658152518364 + 658152518365.

It is an arithmetic number, because the mean of its divisors is an integer number (658152518365).

Almost surely, 2^{1316305036729} is an apocalyptic number.

It is an amenable number.

1316305036729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316305036729 is an equidigital number, since it uses as much as digits as its factorization.

1316305036729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 46.

The spelling of 1316305036729 in words is "one trillion, three hundred sixteen billion, three hundred five million, thirty-six thousand, seven hundred twenty-nine".