1316943766939 has 2 divisors, whose sum is σ = 1316943766940. Its totient is φ = 1316943766938.

The previous prime is 1316943766913. The next prime is 1316943766991. The reversal of 1316943766939 is 9396673496131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316943766939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316943766639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658471883469 + 658471883470.

It is an arithmetic number, because the mean of its divisors is an integer number (658471883470).

Almost surely, 2^{1316943766939} is an apocalyptic number.

1316943766939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316943766939 is an equidigital number, since it uses as much as digits as its factorization.

1316943766939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119042784, while the sum is 67.

The spelling of 1316943766939 in words is "one trillion, three hundred sixteen billion, nine hundred forty-three million, seven hundred sixty-six thousand, nine hundred thirty-nine".