6844613385 has 16 divisors (see below), whose sum is σ = 10970846784. Its totient is φ = 3643972032.

The previous prime is 6844613383. The next prime is 6844613393. The reversal of 6844613385 is 5833164486.

It is not a de Polignac number, because 6844613385 - 2¹ = 6844613383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6844613381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396802 + ... + 413691.

It is an arithmetic number, because the mean of its divisors is an integer number (685677924).

Almost surely, 2^6844613385 is an apocalyptic number.

It is an amenable number.

6844613385 is a deficient number, since it is larger than the sum of its proper divisors (4126233399).

6844613385 is a wasteful number, since it uses less digits than its factorization.

6844613385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811064.

The product of its digits is 1658880, while the sum is 48.

The square root of 6844613385 is about 82732.1786549829. The cubic root of 6844613385 is about 1898.6706661789.

The spelling of 6844613385 in words is "six billion, eight hundred forty-four million, six hundred thirteen thousand, three hundred eighty-five".