6424425387321 has 16 divisors (see below), whose sum is σ = 8973110496384. Its totient is φ = 4080794415104.

The previous prime is 6424425387319. The next prime is 6424425387433. The reversal of 6424425387321 is 1237835244246.

6424425387321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6424425387321 - 2¹ = 6424425387319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6424425387521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181125486 + ... + 181160951.

It is an arithmetic number, because the mean of its divisors is an integer number (560819406024).

Almost surely, 2^{6424425387321} is an apocalyptic number.

It is an amenable number.

6424425387321 is a deficient number, since it is larger than the sum of its proper divisors (2548685109063).

6424425387321 is a wasteful number, since it uses less digits than its factorization.

6424425387321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362286720.

The product of its digits is 7741440, while the sum is 51.

The spelling of 6424425387321 in words is "six trillion, four hundred twenty-four billion, four hundred twenty-five million, three hundred eighty-seven thousand, three hundred twenty-one".