6839934967 has 4 divisors (see below), whose sum is σ = 6853980496. Its totient is φ = 6825889440.

The previous prime is 6839934943. The next prime is 6839934977. The reversal of 6839934967 is 7694399386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7694399386 = 2 ⋅3847199693.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6839934967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6839934899 and 6839934908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6839934917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7022034 + ... + 7023007.

It is an arithmetic number, because the mean of its divisors is an integer number (1713495124).

Almost surely, 2^6839934967 is an apocalyptic number.

6839934967 is a deficient number, since it is larger than the sum of its proper divisors (14045529).

6839934967 is a wasteful number, since it uses less digits than its factorization.

6839934967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14045528.

The product of its digits is 52907904, while the sum is 64.

The square root of 6839934967 is about 82703.8993457987. The cubic root of 6839934967 is about 1898.2379755780.

The spelling of 6839934967 in words is "six billion, eight hundred thirty-nine million, nine hundred thirty-four thousand, nine hundred sixty-seven".