6843391874 has 8 divisors (see below), whose sum is σ = 11198277648. Its totient is φ = 3110632660.

The previous prime is 6843391843. The next prime is 6843391889. The reversal of 6843391874 is 4781933486.

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

It is a super-2 number, since 2×6843391874² = 93664024682258463752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155531612 + ... + 155531655.

It is an arithmetic number, because the mean of its divisors is an integer number (1399784706).

Almost surely, 2^6843391874 is an apocalyptic number.

6843391874 is a deficient number, since it is larger than the sum of its proper divisors (4354885774).

6843391874 is a wasteful number, since it uses less digits than its factorization.

6843391874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311063280.

The product of its digits is 3483648, while the sum is 53.

The square root of 6843391874 is about 82724.7960045838. The cubic root of 6843391874 is about 1898.5577119011.

The spelling of 6843391874 in words is "six billion, eight hundred forty-three million, three hundred ninety-one thousand, eight hundred seventy-four".