6695456671 has 2 divisors, whose sum is σ = 6695456672. Its totient is φ = 6695456670.

The previous prime is 6695456659. The next prime is 6695456707. The reversal of 6695456671 is 1766545966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6695456671 - 2⁷ = 6695456543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6695456071) 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, 3347728335 + 3347728336.

It is an arithmetic number, because the mean of its divisors is an integer number (3347728336).

Almost surely, 2^6695456671 is an apocalyptic number.

6695456671 is a deficient number, since it is larger than the sum of its proper divisors (1).

6695456671 is an equidigital number, since it uses as much as digits as its factorization.

6695456671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 55.

The square root of 6695456671 is about 81825.7702133014. The cubic root of 6695456671 is about 1884.7774102707. Note that the first 3 decimals are identical.

The spelling of 6695456671 in words is "six billion, six hundred ninety-five million, four hundred fifty-six thousand, six hundred seventy-one".