6318143997 has 8 divisors (see below), whose sum is σ = 9190027680. Its totient is φ = 3829178160.

The previous prime is 6318143987. The next prime is 6318144023. The reversal of 6318143997 is 7993418136.

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

It is not a de Polignac number, because 6318143997 - 2³¹ = 4170660349 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6318143977) 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, 95729422 + ... + 95729487.

It is an arithmetic number, because the mean of its divisors is an integer number (1148753460).

Almost surely, 2^6318143997 is an apocalyptic number.

It is an amenable number.

6318143997 is a deficient number, since it is larger than the sum of its proper divisors (2871883683).

6318143997 is a wasteful number, since it uses less digits than its factorization.

6318143997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191458923.

The product of its digits is 979776, while the sum is 51.

The square root of 6318143997 is about 79486.7535945456. The cubic root of 6318143997 is about 1848.6860889172.

The spelling of 6318143997 in words is "six billion, three hundred eighteen million, one hundred forty-three thousand, nine hundred ninety-seven".