6408812128 has 12 divisors (see below), whose sum is σ = 12617348940. Its totient is φ = 3204406048.

The previous prime is 6408812117. The next prime is 6408812129. The reversal of 6408812128 is 8212188046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6408812129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100137658 + ... + 100137721.

It is an arithmetic number, because the mean of its divisors is an integer number (1051445745).

Almost surely, 2^6408812128 is an apocalyptic number.

It is an amenable number.

6408812128 is a deficient number, since it is larger than the sum of its proper divisors (6208536812).

6408812128 is a wasteful number, since it uses less digits than its factorization.

6408812128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200275389 (or 200275381 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 6408812128 is about 80055.0568546422. The cubic root of 6408812128 is about 1857.4872733734.

The spelling of 6408812128 in words is "six billion, four hundred eight million, eight hundred twelve thousand, one hundred twenty-eight".