6839323618 has 16 divisors (see below), whose sum is σ = 10909901880. Its totient is φ = 3204446976.

The previous prime is 6839323609. The next prime is 6839323651. The reversal of 6839323618 is 8163239386.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6812356369 + 26967249 = 82537^2 + 5193^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431421 + ... + 446992.

Almost surely, 2^6839323618 is an apocalyptic number.

6839323618 is a deficient number, since it is larger than the sum of its proper divisors (4070578262).

6839323618 is a wasteful number, since it uses less digits than its factorization.

6839323618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878661.

The product of its digits is 1119744, while the sum is 49.

The square root of 6839323618 is about 82700.2032524709. The cubic root of 6839323618 is about 1898.1814194620.

The spelling of 6839323618 in words is "six billion, eight hundred thirty-nine million, three hundred twenty-three thousand, six hundred eighteen".