6946131318 has 24 divisors (see below), whose sum is σ = 16160387832. Its totient is φ = 1984608864.

The previous prime is 6946131299. The next prime is 6946131331. The reversal of 6946131318 is 8131316496.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 6946131318.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11812855 + ... + 11813442.

It is an arithmetic number, because the mean of its divisors is an integer number (673349493).

Almost surely, 2^6946131318 is an apocalyptic number.

6946131318 is an abundant number, since it is smaller than the sum of its proper divisors (9214256514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6946131318 is a wasteful number, since it uses less digits than its factorization.

6946131318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23626316 (or 23626309 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 6946131318 is about 83343.4539601041. The cubic root of 6946131318 is about 1908.0115374705.

The spelling of 6946131318 in words is "six billion, nine hundred forty-six million, one hundred thirty-one thousand, three hundred eighteen".