1316347793 has 2 divisors, whose sum is σ = 1316347794. Its totient is φ = 1316347792.

The previous prime is 1316347783. The next prime is 1316347811. The reversal of 1316347793 is 3977436131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 890007889 + 426339904 = 29833^2 + 20648^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316347793 - 2⁸ = 1316347537 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316347783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658173896 + 658173897.

It is an arithmetic number, because the mean of its divisors is an integer number (658173897).

Almost surely, 2^1316347793 is an apocalyptic number.

It is an amenable number.

1316347793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316347793 is an equidigital number, since it uses as much as digits as its factorization.

1316347793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 44.

The square root of 1316347793 is about 36281.5075899555. The cubic root of 1316347793 is about 1095.9486765464.

The spelling of 1316347793 in words is "one billion, three hundred sixteen million, three hundred forty-seven thousand, seven hundred ninety-three".