6424581912 has 32 divisors (see below), whose sum is σ = 18355948800. Its totient is φ = 1835594784.

The previous prime is 6424581871. The next prime is 6424581923. The reversal of 6424581912 is 2191854246.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 19120612 + ... + 19120947.

It is an arithmetic number, because the mean of its divisors is an integer number (573623400).

Almost surely, 2^6424581912 is an apocalyptic number.

It is an amenable number.

6424581912 is an abundant number, since it is smaller than the sum of its proper divisors (11931366888).

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

6424581912 is a wasteful number, since it uses less digits than its factorization.

6424581912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38241575 (or 38241571 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 6424581912 is about 80153.4897056890. The cubic root of 6424581912 is about 1859.0095617191.

The spelling of 6424581912 in words is "six billion, four hundred twenty-four million, five hundred eighty-one thousand, nine hundred twelve".