6942817871 has 8 divisors (see below), whose sum is σ = 7648974288. Its totient is φ = 6249160000.

The previous prime is 6942817853. The next prime is 6942817933. The reversal of 6942817871 is 1787182496.

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 6942817871 - 2¹⁴ = 6942801487 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 (6942817801) 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, 3123470 + ... + 3125691.

It is an arithmetic number, because the mean of its divisors is an integer number (956121786).

Almost surely, 2^6942817871 is an apocalyptic number.

6942817871 is a deficient number, since it is larger than the sum of its proper divisors (706156417).

6942817871 is a wasteful number, since it uses less digits than its factorization.

6942817871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6249273.

The product of its digits is 1354752, while the sum is 53.

The square root of 6942817871 is about 83323.5733211196. The cubic root of 6942817871 is about 1907.7081023477.

The spelling of 6942817871 in words is "six billion, nine hundred forty-two million, eight hundred seventeen thousand, eight hundred seventy-one".