5317786993 has 2 divisors, whose sum is σ = 5317786994. Its totient is φ = 5317786992.

The previous prime is 5317786987. The next prime is 5317787011. The reversal of 5317786993 is 3996877135.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2840037264 + 2477749729 = 53292^2 + 49777^2 .

It is a cyclic number.

It is not a de Polignac number, because 5317786993 - 2¹⁷ = 5317655921 is a prime.

It is not a weakly prime, because it can be changed into another prime (5317786973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2658893496 + 2658893497.

It is an arithmetic number, because the mean of its divisors is an integer number (2658893497).

Almost surely, 2^5317786993 is an apocalyptic number.

It is an amenable number.

5317786993 is a deficient number, since it is larger than the sum of its proper divisors (1).

5317786993 is an equidigital number, since it uses as much as digits as its factorization.

5317786993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8573040, while the sum is 58.

The square root of 5317786993 is about 72923.1581392359. The cubic root of 5317786993 is about 1745.4616549061.

The spelling of 5317786993 in words is "five billion, three hundred seventeen million, seven hundred eighty-six thousand, nine hundred ninety-three".