6858642594 has 16 divisors (see below), whose sum is σ = 13719301632. Its totient is φ = 2285878128.

The previous prime is 6858642587. The next prime is 6858642611. The reversal of 6858642594 is 4952468586.

It is a happy number.

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, 37849 + ... + 123084.

It is an arithmetic number, because the mean of its divisors is an integer number (857456352).

Almost surely, 2^6858642594 is an apocalyptic number.

6858642594 is an abundant number, since it is smaller than the sum of its proper divisors (6860659038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6858642594 is a wasteful number, since it uses less digits than its factorization.

6858642594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168041.

The product of its digits is 16588800, while the sum is 57.

The square root of 6858642594 is about 82816.9221475901. The cubic root of 6858642594 is about 1899.9669979494.

The spelling of 6858642594 in words is "six billion, eight hundred fifty-eight million, six hundred forty-two thousand, five hundred ninety-four".