6396718443 has 8 divisors (see below), whose sum is σ = 8736981456. Its totient is φ = 4160467200.

The previous prime is 6396718441. The next prime is 6396718459. The reversal of 6396718443 is 3448176936.

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

It is not a de Polignac number, because 6396718443 - 2¹ = 6396718441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6396718441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26002798 + ... + 26003043.

It is an arithmetic number, because the mean of its divisors is an integer number (1092122682).

Almost surely, 2^6396718443 is an apocalyptic number.

6396718443 is a deficient number, since it is larger than the sum of its proper divisors (2340263013).

6396718443 is a wasteful number, since it uses less digits than its factorization.

6396718443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52005885.

The product of its digits is 2612736, while the sum is 51.

The square root of 6396718443 is about 79979.4876390190. The cubic root of 6396718443 is about 1856.3181533956.

The spelling of 6396718443 in words is "six billion, three hundred ninety-six million, seven hundred eighteen thousand, four hundred forty-three".