6413894328 has 32 divisors (see below), whose sum is σ = 16038009360. Its totient is φ = 2137528320.

The previous prime is 6413894323. The next prime is 6413894329. The reversal of 6413894328 is 8234983146.

It is a super-2 number, since 2×6413894328² = 82276080901501143168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6413894323) 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, 106026 + ... + 155142.

Almost surely, 2^6413894328 is an apocalyptic number.

It is an amenable number.

6413894328 is an abundant number, since it is smaller than the sum of its proper divisors (9624115032).

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

6413894328 is a wasteful number, since it uses less digits than its factorization.

6413894328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54567 (or 54563 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 6413894328 is about 80086.7924691706. The cubic root of 6413894328 is about 1857.9781406036.

The spelling of 6413894328 in words is "six billion, four hundred thirteen million, eight hundred ninety-four thousand, three hundred twenty-eight".