6424928868 has 24 divisors (see below), whose sum is σ = 15159947040. Its totient is φ = 2117579200.

The previous prime is 6424928819. The next prime is 6424928897. The reversal of 6424928868 is 8688294246.

It is a super-2 number, since 2×6424928868² = 82559421917719522848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3006858 + ... + 3008993.

It is an arithmetic number, because the mean of its divisors is an integer number (631664460).

Almost surely, 2^6424928868 is an apocalyptic number.

It is an amenable number.

6424928868 is an abundant number, since it is smaller than the sum of its proper divisors (8735018172).

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

6424928868 is a wasteful number, since it uses less digits than its factorization.

6424928868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6015947 (or 6015945 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 57.

The square root of 6424928868 is about 80155.6539989538. The cubic root of 6424928868 is about 1859.0430260451.

The spelling of 6424928868 in words is "six billion, four hundred twenty-four million, nine hundred twenty-eight thousand, eight hundred sixty-eight".