6478994138314 has 8 divisors (see below), whose sum is σ = 10141034303520. Its totient is φ = 3098649370476.

The previous prime is 6478994138297. The next prime is 6478994138347. The reversal of 6478994138314 is 4138314998746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6478994138314.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70423849284 + ... + 70423849375.

It is an arithmetic number, because the mean of its divisors is an integer number (1267629287940).

Almost surely, 2^{6478994138314} is an apocalyptic number.

6478994138314 is a deficient number, since it is larger than the sum of its proper divisors (3662040165206).

6478994138314 is a wasteful number, since it uses less digits than its factorization.

6478994138314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140847698684.

The product of its digits is 125411328, while the sum is 67.

The spelling of 6478994138314 in words is "six trillion, four hundred seventy-eight billion, nine hundred ninety-four million, one hundred thirty-eight thousand, three hundred fourteen".