6468396479 has 4 divisors (see below), whose sum is σ = 6606021984. Its totient is φ = 6330770976.

The previous prime is 6468396463. The next prime is 6468396491. The reversal of 6468396479 is 9746938646.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6468396479 - 2⁴ = 6468396463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6468396409) 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 3 ways as a sum of consecutive naturals, for example, 68812682 + ... + 68812775.

It is an arithmetic number, because the mean of its divisors is an integer number (1651505496).

Almost surely, 2^6468396479 is an apocalyptic number.

6468396479 is a deficient number, since it is larger than the sum of its proper divisors (137625505).

6468396479 is a wasteful number, since it uses less digits than its factorization.

6468396479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137625504.

The product of its digits is 47029248, while the sum is 62.

The square root of 6468396479 is about 80426.3419471506. The cubic root of 6468396479 is about 1863.2260350599.

The spelling of 6468396479 in words is "six billion, four hundred sixty-eight million, three hundred ninety-six thousand, four hundred seventy-nine".