6891340334 has 8 divisors (see below), whose sum is σ = 10345979280. Its totient is φ = 3442680576.

The previous prime is 6891340333. The next prime is 6891340363. The reversal of 6891340334 is 4330431986.

6891340334 is nontrivially palindromic in base 14.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6891340291 and 6891340300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6891340333) 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, 1491914 + ... + 1496525.

It is an arithmetic number, because the mean of its divisors is an integer number (1293247410).

Almost surely, 2^6891340334 is an apocalyptic number.

6891340334 is a deficient number, since it is larger than the sum of its proper divisors (3454638946).

6891340334 is a wasteful number, since it uses less digits than its factorization.

6891340334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989594.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 6891340334 is about 83014.0972004153. The cubic root of 6891340334 is about 1902.9814993783.

The spelling of 6891340334 in words is "six billion, eight hundred ninety-one million, three hundred forty thousand, three hundred thirty-four".