6810742859 has 4 divisors (see below), whose sum is σ = 6819397704. Its totient is φ = 6802088016.

The previous prime is 6810742849. The next prime is 6810742877. The reversal of 6810742859 is 9582470186.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9582470186 = 2 ⋅4791235093.

It is a cyclic number.

It is not a de Polignac number, because 6810742859 - 2⁴ = 6810742843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6810742849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4326242 + ... + 4327815.

It is an arithmetic number, because the mean of its divisors is an integer number (1704849426).

Almost surely, 2^6810742859 is an apocalyptic number.

6810742859 is a deficient number, since it is larger than the sum of its proper divisors (8654845).

6810742859 is an equidigital number, since it uses as much as digits as its factorization.

6810742859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8654844.

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 6810742859 is about 82527.2249563742. The cubic root of 6810742859 is about 1895.5336326876.

The spelling of 6810742859 in words is "six billion, eight hundred ten million, seven hundred forty-two thousand, eight hundred fifty-nine".