6748563968 has 20 divisors (see below), whose sum is σ = 13483948170. Its totient is φ = 3374281728.

The previous prime is 6748563953. The next prime is 6748563971. The reversal of 6748563968 is 8693658476.

It can be written as a sum of positive squares in only one way, i.e., 6562296064 + 186267904 = 81008^2 + 13648^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6748563968.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6589883 + ... + 6590906.

Almost surely, 2^6748563968 is an apocalyptic number.

It is an amenable number.

6748563968 is a deficient number, since it is larger than the sum of its proper divisors (6735384202).

6748563968 is an equidigital number, since it uses as much as digits as its factorization.

6748563968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13180807 (or 13180791 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 62.

The square root of 6748563968 is about 82149.6437484667. The cubic root of 6748563968 is about 1889.7475440819.

The spelling of 6748563968 in words is "six billion, seven hundred forty-eight million, five hundred sixty-three thousand, nine hundred sixty-eight".