6844653897 has 32 divisors (see below), whose sum is σ = 9608232960. Its totient is φ = 4328396160.

The previous prime is 6844653887. The next prime is 6844653913. The reversal of 6844653897 is 7983564486.

It is not a de Polignac number, because 6844653897 - 2⁶ = 6844653833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6844653897.

It is not an unprimeable number, because it can be changed into a prime (6844653887) 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 31 ways as a sum of consecutive naturals, for example, 2099893 + ... + 2103149.

It is an arithmetic number, because the mean of its divisors is an integer number (300257280).

Almost surely, 2^6844653897 is an apocalyptic number.

It is an amenable number.

6844653897 is a deficient number, since it is larger than the sum of its proper divisors (2763579063).

6844653897 is a wasteful number, since it uses less digits than its factorization.

6844653897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733.

The product of its digits is 34836480, while the sum is 60.

The square root of 6844653897 is about 82732.4234928483. The cubic root of 6844653897 is about 1898.6744121316.

The spelling of 6844653897 in words is "six billion, eight hundred forty-four million, six hundred fifty-three thousand, eight hundred ninety-seven".