6931404071 has 4 divisors (see below), whose sum is σ = 6931978872. Its totient is φ = 6930829272.

The previous prime is 6931404061. The next prime is 6931404121. The reversal of 6931404071 is 1704041396.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6931404071 - 2²² = 6927209767 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 (6931404031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268916 + ... + 293561.

It is an arithmetic number, because the mean of its divisors is an integer number (1732994718).

Almost surely, 2^6931404071 is an apocalyptic number.

6931404071 is a deficient number, since it is larger than the sum of its proper divisors (574801).

6931404071 is a wasteful number, since it uses less digits than its factorization.

6931404071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574800.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 6931404071 is about 83255.0543270497. The cubic root of 6931404071 is about 1906.6621225495.

The spelling of 6931404071 in words is "six billion, nine hundred thirty-one million, four hundred four thousand, seventy-one".