6441679422863 has 8 divisors (see below), whose sum is σ = 6510877440288. Its totient is φ = 6372609433344.

The previous prime is 6441679422833. The next prime is 6441679422869. The reversal of 6441679422863 is 3682249761446.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6441679422863 - 2³⁰ = 6440605681039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6441679422796 and 6441679422805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6441679422869) 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, 31905806 + ... + 32107067.

It is an arithmetic number, because the mean of its divisors is an integer number (813859680036).

Almost surely, 2^{6441679422863} is an apocalyptic number.

6441679422863 is a deficient number, since it is larger than the sum of its proper divisors (69198017425).

6441679422863 is a wasteful number, since it uses less digits than its factorization.

6441679422863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64013953.

The product of its digits is 83607552, while the sum is 62.

The spelling of 6441679422863 in words is "six trillion, four hundred forty-one billion, six hundred seventy-nine million, four hundred twenty-two thousand, eight hundred sixty-three".