6479326368 has 72 divisors (see below), whose sum is σ = 19019984256. Its totient is φ = 2090102400.

The previous prime is 6479326351. The next prime is 6479326393. The reversal of 6479326368 is 8636239746.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353938 + ... + 371793.

It is an arithmetic number, because the mean of its divisors is an integer number (264166448).

Almost surely, 2^6479326368 is an apocalyptic number.

It is an amenable number.

6479326368 is an abundant number, since it is smaller than the sum of its proper divisors (12540657888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6479326368 is a wasteful number, since it uses less digits than its factorization.

6479326368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725778 (or 725767 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The square root of 6479326368 is about 80494.2629508464. The cubic root of 6479326368 is about 1864.2748985173.

The spelling of 6479326368 in words is "six billion, four hundred seventy-nine million, three hundred twenty-six thousand, three hundred sixty-eight".