6748660811 has 2 divisors, whose sum is σ = 6748660812. Its totient is φ = 6748660810.

The previous prime is 6748660753. The next prime is 6748660817. The reversal of 6748660811 is 1180668476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6748660811 - 2³⁰ = 5674918987 is a prime.

It is a super-3 number, since 3×6748660811³ (a number of 30 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6748660817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3374330405 + 3374330406.

It is an arithmetic number, because the mean of its divisors is an integer number (3374330406).

Almost surely, 2^6748660811 is an apocalyptic number.

6748660811 is a deficient number, since it is larger than the sum of its proper divisors (1).

6748660811 is an equidigital number, since it uses as much as digits as its factorization.

6748660811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 6748660811 is about 82150.2331767841. The cubic root of 6748660811 is about 1889.7565834344.

The spelling of 6748660811 in words is "six billion, seven hundred forty-eight million, six hundred sixty thousand, eight hundred eleven".