6853047943 has 4 divisors (see below), whose sum is σ = 7832054800. Its totient is φ = 5874041088.

The previous prime is 6853047931. The next prime is 6853047947. The reversal of 6853047943 is 3497403586.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3497403586 = 2 ⋅1748701793.

It is a cyclic number.

It is not a de Polignac number, because 6853047943 - 2⁹ = 6853047431 is a prime.

It is a super-2 number, since 2×6853047943² = 93928532218113062498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6853047947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489503418 + ... + 489503431.

It is an arithmetic number, because the mean of its divisors is an integer number (1958013700).

Almost surely, 2^6853047943 is an apocalyptic number.

6853047943 is a deficient number, since it is larger than the sum of its proper divisors (979006857).

6853047943 is an equidigital number, since it uses as much as digits as its factorization.

6853047943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979006856.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 6853047943 is about 82783.1380354719. The cubic root of 6853047943 is about 1899.4502511995.

The spelling of 6853047943 in words is "six billion, eight hundred fifty-three million, forty-seven thousand, nine hundred forty-three".