6858642743 has 16 divisors (see below), whose sum is σ = 7379043840. Its totient is φ = 6354403200.

The previous prime is 6858642719. The next prime is 6858642761. The reversal of 6858642743 is 3472468586.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6858642743 - 2²⁸ = 6590207287 is a prime.

It is a super-2 number, since 2×6858642743² = 94081960552213128098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6858642793) 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, 1615103 + ... + 1619343.

It is an arithmetic number, because the mean of its divisors is an integer number (461190240).

Almost surely, 2^6858642743 is an apocalyptic number.

6858642743 is a deficient number, since it is larger than the sum of its proper divisors (520401097).

6858642743 is a wasteful number, since it uses less digits than its factorization.

6858642743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118.

The product of its digits is 7741440, while the sum is 53.

The square root of 6858642743 is about 82816.9230471647. The cubic root of 6858642743 is about 1899.9670117080.

The spelling of 6858642743 in words is "six billion, eight hundred fifty-eight million, six hundred forty-two thousand, seven hundred forty-three".