6316840817 has 4 divisors (see below), whose sum is σ = 7219246656. Its totient is φ = 5414434980.

The previous prime is 6316840781. The next prime is 6316840847. The reversal of 6316840817 is 7180486136.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6316840817 - 2¹⁸ = 6316578673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6316840847) 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 3 ways as a sum of consecutive naturals, for example, 451202909 + ... + 451202922.

It is an arithmetic number, because the mean of its divisors is an integer number (1804811664).

Almost surely, 2^6316840817 is an apocalyptic number.

It is an amenable number.

6316840817 is a deficient number, since it is larger than the sum of its proper divisors (902405839).

6316840817 is an equidigital number, since it uses as much as digits as its factorization.

6316840817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902405838.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 6316840817 is about 79478.5557052970. Note that the first 3 decimals coincide. The cubic root of 6316840817 is about 1848.5589768837.

The spelling of 6316840817 in words is "six billion, three hundred sixteen million, eight hundred forty thousand, eight hundred seventeen".