63318115268 has 6 divisors (see below), whose sum is σ = 110806701726. Its totient is φ = 31659057632.

The previous prime is 63318115261. The next prime is 63318115271. The reversal of 63318115268 is 86251181336.

It can be written as a sum of positive squares in only one way, i.e., 54136259584 + 9181855684 = 232672^2 + 95822^2 .

It is not an unprimeable number, because it can be changed into a prime (63318115261) 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, 7914764405 + ... + 7914764412.

It is an arithmetic number, because the mean of its divisors is an integer number (18467783621).

Almost surely, 2^63318115268 is an apocalyptic number.

It is an amenable number.

63318115268 is a deficient number, since it is larger than the sum of its proper divisors (47488586458).

63318115268 is a wasteful number, since it uses less digits than its factorization.

63318115268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15829528821 (or 15829528819 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The spelling of 63318115268 in words is "sixty-three billion, three hundred eighteen million, one hundred fifteen thousand, two hundred sixty-eight".