6479699328 has 320 divisors, whose sum is σ = 20682723600. Its totient is φ = 2006581248.

The previous prime is 6479699323. The next prime is 6479699351. The reversal of 6479699328 is 8239969746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6479699323) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17096643 + ... + 17097021.

Almost surely, 2^6479699328 is an apocalyptic number.

6479699328 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6479699328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10341361800).

6479699328 is an abundant number, since it is smaller than the sum of its proper divisors (14203024272).

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

6479699328 is a wasteful number, since it uses less digits than its factorization.

6479699328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 498 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The square root of 6479699328 is about 80496.5796043534. The cubic root of 6479699328 is about 1864.3106680087.

The spelling of 6479699328 in words is "six billion, four hundred seventy-nine million, six hundred ninety-nine thousand, three hundred twenty-eight".