5316568949 has 2 divisors, whose sum is σ = 5316568950. Its totient is φ = 5316568948.

The previous prime is 5316568937. The next prime is 5316568951. The reversal of 5316568949 is 9498656135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5185008049 + 131560900 = 72007^2 + 11470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5316568949 is a prime.

It is a Sophie Germain prime.

Together with 5316568951, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5316568894 and 5316568903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5316568919) 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, 2658284474 + 2658284475.

It is an arithmetic number, because the mean of its divisors is an integer number (2658284475).

Almost surely, 2^5316568949 is an apocalyptic number.

It is an amenable number.

5316568949 is a deficient number, since it is larger than the sum of its proper divisors (1).

5316568949 is an equidigital number, since it uses as much as digits as its factorization.

5316568949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6998400, while the sum is 56.

The square root of 5316568949 is about 72914.8061027388. The cubic root of 5316568949 is about 1745.3283781975.

The spelling of 5316568949 in words is "five billion, three hundred sixteen million, five hundred sixty-eight thousand, nine hundred forty-nine".