6839905635343 has 8 divisors (see below), whose sum is σ = 7473038031360. Its totient is φ = 6208660371480.

The previous prime is 6839905635313. The next prime is 6839905635361. The reversal of 6839905635343 is 3435365099386.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6839905635343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6839905635313) 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, 471775455 + ... + 471789952.

It is an arithmetic number, because the mean of its divisors is an integer number (934129753920).

Almost surely, 2^{6839905635343} is an apocalyptic number.

6839905635343 is a deficient number, since it is larger than the sum of its proper divisors (633132396017).

6839905635343 is a wasteful number, since it uses less digits than its factorization.

6839905635343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943566077.

The product of its (nonzero) digits is 188956800, while the sum is 64.

The spelling of 6839905635343 in words is "six trillion, eight hundred thirty-nine billion, nine hundred five million, six hundred thirty-five thousand, three hundred forty-three".