6363408868 has 12 divisors (see below), whose sum is σ = 11519964540. Its totient is φ = 3071990432.

The previous prime is 6363408853. The next prime is 6363408869. The reversal of 6363408868 is 8688043636.

It can be written as a sum of positive squares in 2 ways, for example, as 4959258084 + 1404150784 = 70422^2 + 37472^2 .

It is not an unprimeable number, because it can be changed into a prime (6363408869) 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 in 3 ways as a sum of consecutive naturals, for example, 27428371 + ... + 27428602.

It is an arithmetic number, because the mean of its divisors is an integer number (959997045).

Almost surely, 2^6363408868 is an apocalyptic number.

It is an amenable number.

6363408868 is a deficient number, since it is larger than the sum of its proper divisors (5156555672).

6363408868 is a wasteful number, since it uses less digits than its factorization.

6363408868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54857006 (or 54857004 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 52.

The square root of 6363408868 is about 79770.9776046401. The cubic root of 6363408868 is about 1853.0904146391.

The spelling of 6363408868 in words is "six billion, three hundred sixty-three million, four hundred eight thousand, eight hundred sixty-eight".