5311638263 has 2 divisors, whose sum is σ = 5311638264. Its totient is φ = 5311638262.

The previous prime is 5311638247. The next prime is 5311638317. The reversal of 5311638263 is 3628361135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5311638263 - 2⁴ = 5311638247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5311638863) 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, 2655819131 + 2655819132.

It is an arithmetic number, because the mean of its divisors is an integer number (2655819132).

Almost surely, 2^5311638263 is an apocalyptic number.

5311638263 is a deficient number, since it is larger than the sum of its proper divisors (1).

5311638263 is an equidigital number, since it uses as much as digits as its factorization.

5311638263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 5311638263 is about 72880.9869787725. The cubic root of 5311638263 is about 1744.7886611980.

Adding to 5311638263 its reverse (3628361135), we get a palindrome (8939999398).

The spelling of 5311638263 in words is "five billion, three hundred eleven million, six hundred thirty-eight thousand, two hundred sixty-three".