6391317071 has 8 divisors (see below), whose sum is σ = 6738908400. Its totient is φ = 6044846400.

The previous prime is 6391316947. The next prime is 6391317077. The reversal of 6391317071 is 1707131936.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6391317071 - 2²⁶ = 6324208207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6391317077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268436 + ... + 291273.

It is an arithmetic number, because the mean of its divisors is an integer number (842363550).

Almost surely, 2^6391317071 is an apocalyptic number.

6391317071 is a deficient number, since it is larger than the sum of its proper divisors (347591329).

6391317071 is a wasteful number, since it uses less digits than its factorization.

6391317071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560329.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 6391317071 is about 79945.7132746966. The cubic root of 6391317071 is about 1855.7955162302.

The spelling of 6391317071 in words is "six billion, three hundred ninety-one million, three hundred seventeen thousand, seventy-one".