6748668481 has 2 divisors, whose sum is σ = 6748668482. Its totient is φ = 6748668480.

The previous prime is 6748668469. The next prime is 6748668607. The reversal of 6748668481 is 1848668476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5181696256 + 1566972225 = 71984^2 + 39585^2 .

It is a cyclic number.

It is not a de Polignac number, because 6748668481 - 2¹⁵ = 6748635713 is a prime.

It is a super-2 number, since 2×6748668481² = 91089052532885694722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6748668431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3374334240 + 3374334241.

It is an arithmetic number, because the mean of its divisors is an integer number (3374334241).

Almost surely, 2^6748668481 is an apocalyptic number.

It is an amenable number.

6748668481 is a deficient number, since it is larger than the sum of its proper divisors (1).

6748668481 is an equidigital number, since it uses as much as digits as its factorization.

6748668481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12386304, while the sum is 58.

The square root of 6748668481 is about 82150.2798595355. The cubic root of 6748668481 is about 1889.7572993506.

The spelling of 6748668481 in words is "six billion, seven hundred forty-eight million, six hundred sixty-eight thousand, four hundred eighty-one".