6318690857 has 16 divisors (see below), whose sum is σ = 6693815040. Its totient is φ = 5957546112.

The previous prime is 6318690853. The next prime is 6318690877. The reversal of 6318690857 is 7580968136.

It is a happy number.

It is not a de Polignac number, because 6318690857 - 2² = 6318690853 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6318690799 and 6318690808.

It is not an unprimeable number, because it can be changed into a prime (6318690853) 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 15 ways as a sum of consecutive naturals, for example, 126119 + ... + 168947.

It is an arithmetic number, because the mean of its divisors is an integer number (418363440).

Almost surely, 2^6318690857 is an apocalyptic number.

It is an amenable number.

6318690857 is a deficient number, since it is larger than the sum of its proper divisors (375124183).

6318690857 is a wasteful number, since it uses less digits than its factorization.

6318690857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42992.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 6318690857 is about 79490.1934643513. The cubic root of 6318690857 is about 1848.7394243750.

The spelling of 6318690857 in words is "six billion, three hundred eighteen million, six hundred ninety thousand, eight hundred fifty-seven".