1316673793 has 2 divisors, whose sum is σ = 1316673794. Its totient is φ = 1316673792.

The previous prime is 1316673781. The next prime is 1316673797. The reversal of 1316673793 is 3973766131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1257198849 + 59474944 = 35457^2 + 7712^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316673793 - 2¹³ = 1316665601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316673797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658336896 + 658336897.

It is an arithmetic number, because the mean of its divisors is an integer number (658336897).

Almost surely, 2^1316673793 is an apocalyptic number.

It is an amenable number.

1316673793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316673793 is an equidigital number, since it uses as much as digits as its factorization.

1316673793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 46.

The square root of 1316673793 is about 36285.9999586617. Note that the first 4 decimals coincide. The cubic root of 1316673793 is about 1096.0391414374.

It can be divided in two parts, 131667 and 3793, that added together give a triangular number (135460 = T₅₂₀).

The spelling of 1316673793 in words is "one billion, three hundred sixteen million, six hundred seventy-three thousand, seven hundred ninety-three".