6263878813 has 2 divisors, whose sum is σ = 6263878814. Its totient is φ = 6263878812.

The previous prime is 6263878801. The next prime is 6263878823. The reversal of 6263878813 is 3188783626.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5974980804 + 288898009 = 77298^2 + 16997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6263878813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6263878823) 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, 3131939406 + 3131939407.

It is an arithmetic number, because the mean of its divisors is an integer number (3131939407).

Almost surely, 2^6263878813 is an apocalyptic number.

It is an amenable number.

6263878813 is a deficient number, since it is larger than the sum of its proper divisors (1).

6263878813 is an equidigital number, since it uses as much as digits as its factorization.

6263878813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 52.

The square root of 6263878813 is about 79144.6701490378. The cubic root of 6263878813 is about 1843.3782075679.

The spelling of 6263878813 in words is "six billion, two hundred sixty-three million, eight hundred seventy-eight thousand, eight hundred thirteen".