6718718534 has 16 divisors (see below), whose sum is σ = 11097020736. Its totient is φ = 3025420200.

The previous prime is 6718718507. The next prime is 6718718537. The reversal of 6718718534 is 4358178176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6718718537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424732 + ... + 1429439.

It is an arithmetic number, because the mean of its divisors is an integer number (693563796).

Almost surely, 2^6718718534 is an apocalyptic number.

6718718534 is a deficient number, since it is larger than the sum of its proper divisors (4378302202).

6718718534 is a wasteful number, since it uses less digits than its factorization.

6718718534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854291.

The product of its digits is 1128960, while the sum is 50.

The square root of 6718718534 is about 81967.7896127497. The cubic root of 6718718534 is about 1886.9576328258.

The spelling of 6718718534 in words is "six billion, seven hundred eighteen million, seven hundred eighteen thousand, five hundred thirty-four".