6934491671 has 2 divisors, whose sum is σ = 6934491672. Its totient is φ = 6934491670.

The previous prime is 6934491659. The next prime is 6934491689. The reversal of 6934491671 is 1761944396.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6934491671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6934491611) 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, 3467245835 + 3467245836.

It is an arithmetic number, because the mean of its divisors is an integer number (3467245836).

Almost surely, 2^6934491671 is an apocalyptic number.

6934491671 is a deficient number, since it is larger than the sum of its proper divisors (1).

6934491671 is an equidigital number, since it uses as much as digits as its factorization.

6934491671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 6934491671 is about 83273.5952808572. The cubic root of 6934491671 is about 1906.9451886258.

The spelling of 6934491671 in words is "six billion, nine hundred thirty-four million, four hundred ninety-one thousand, six hundred seventy-one".