6844741081 has 4 divisors (see below), whose sum is σ = 6844907700. Its totient is φ = 6844574464.

The previous prime is 6844741039. The next prime is 6844741103. The reversal of 6844741081 is 1801474486.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6191171856 + 653569225 = 78684^2 + 25565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6844741081 is a prime.

It is a super-2 number, since 2×6844741081² = 93700960931858097122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6844741181) 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, 26985 + ... + 120073.

It is an arithmetic number, because the mean of its divisors is an integer number (1711226925).

Almost surely, 2^6844741081 is an apocalyptic number.

It is an amenable number.

6844741081 is a deficient number, since it is larger than the sum of its proper divisors (166619).

6844741081 is an equidigital number, since it uses as much as digits as its factorization.

6844741081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166618.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 6844741081 is about 82732.9503946281. The cubic root of 6844741081 is about 1898.6824735729.

The spelling of 6844741081 in words is "six billion, eight hundred forty-four million, seven hundred forty-one thousand, eighty-one".