6424138894905 has 48 divisors (see below), whose sum is σ = 11671417046016. Its totient is φ = 3262545601920.

The previous prime is 6424138894889. The next prime is 6424138894907. The reversal of 6424138894905 is 5094988314246.

6424138894905 is a `hidden beast` number, since 6 + 4 + 2 + 4 + 138 + 8 + 9 + 490 + 5 = 666.

6424138894905 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6424138894905 - 2⁴ = 6424138894889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6424138894907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13686006 + ... + 14147615.

It is an arithmetic number, because the mean of its divisors is an integer number (243154521792).

Almost surely, 2^{6424138894905} is an apocalyptic number.

It is an amenable number.

6424138894905 is a deficient number, since it is larger than the sum of its proper divisors (5247278151111).

6424138894905 is a wasteful number, since it uses less digits than its factorization.

6424138894905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27833878 (or 27833875 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 6424138894905 in words is "six trillion, four hundred twenty-four billion, one hundred thirty-eight million, eight hundred ninety-four thousand, nine hundred five".