3116687993 has 2 divisors, whose sum is σ = 3116687994. Its totient is φ = 3116687992.

The previous prime is 3116687969. The next prime is 3116688011. The reversal of 3116687993 is 3997866113.

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., 1599040144 + 1517647849 = 39988^2 + 38957^2 .

It is a cyclic number.

It is not a de Polignac number, because 3116687993 - 2¹⁸ = 3116425849 is a prime.

It is not a weakly prime, because it can be changed into another prime (3116687953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558343996 + 1558343997.

It is an arithmetic number, because the mean of its divisors is an integer number (1558343997).

Almost surely, 2^3116687993 is an apocalyptic number.

It is an amenable number.

3116687993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3116687993 is an equidigital number, since it uses as much as digits as its factorization.

3116687993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 53.

The square root of 3116687993 is about 55827.3050845193. The cubic root of 3116687993 is about 1460.7114804942.

The spelling of 3116687993 in words is "three billion, one hundred sixteen million, six hundred eighty-seven thousand, nine hundred ninety-three".