6858642742 has 32 divisors (see below), whose sum is σ = 11940687360. Its totient is φ = 2893786560.

The previous prime is 6858642719. The next prime is 6858642761. The reversal of 6858642742 is 2472468586.

It is a self number, because there is not a number n which added to its sum of digits gives 6858642742.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 729898 + ... + 739234.

It is an arithmetic number, because the mean of its divisors is an integer number (373146480).

Almost surely, 2^6858642742 is an apocalyptic number.

6858642742 is a deficient number, since it is larger than the sum of its proper divisors (5082044618).

6858642742 is a wasteful number, since it uses less digits than its factorization.

6858642742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10156.

The product of its digits is 5160960, while the sum is 52.

The square root of 6858642742 is about 82816.9230411273. The cubic root of 6858642742 is about 1899.9670116156.

The spelling of 6858642742 in words is "six billion, eight hundred fifty-eight million, six hundred forty-two thousand, seven hundred forty-two".