6718009313 has 4 divisors (see below), whose sum is σ = 6718229760. Its totient is φ = 6717788868.

The previous prime is 6718009261. The next prime is 6718009321. The reversal of 6718009313 is 3139008176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6718009313 - 2⁸ = 6718009057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6718009373) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 55433 + ... + 128486.

It is an arithmetic number, because the mean of its divisors is an integer number (1679557440).

Almost surely, 2^6718009313 is an apocalyptic number.

It is an amenable number.

6718009313 is a deficient number, since it is larger than the sum of its proper divisors (220447).

6718009313 is a wasteful number, since it uses less digits than its factorization.

6718009313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220446.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 6718009313 is about 81963.4632809034. The cubic root of 6718009313 is about 1886.8912353889.

The spelling of 6718009313 in words is "six billion, seven hundred eighteen million, nine thousand, three hundred thirteen".