6718343827 has 4 divisors (see below), whose sum is σ = 7235139520. Its totient is φ = 6201548136.

The previous prime is 6718343809. The next prime is 6718343903. The reversal of 6718343827 is 7283438176.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6718343827 - 2⁷ = 6718343699 is a prime.

It is a super-2 number, since 2×6718343827² = 90272287555578011858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6718943827) 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, 258397827 + ... + 258397852.

It is an arithmetic number, because the mean of its divisors is an integer number (1808784880).

Almost surely, 2^6718343827 is an apocalyptic number.

6718343827 is a deficient number, since it is larger than the sum of its proper divisors (516795693).

6718343827 is a wasteful number, since it uses less digits than its factorization.

6718343827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516795692.

The product of its digits is 1354752, while the sum is 49.

The square root of 6718343827 is about 81965.5038842561. The cubic root of 6718343827 is about 1886.9225532505.

The spelling of 6718343827 in words is "six billion, seven hundred eighteen million, three hundred forty-three thousand, eight hundred twenty-seven".