6423244521 has 16 divisors (see below), whose sum is σ = 9079689024. Its totient is φ = 4025124864.

The previous prime is 6423244463. The next prime is 6423244537. The reversal of 6423244521 is 1254423246.

6423244521 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 6423244521 - 2¹¹ = 6423242473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6423244591) 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 15 ways as a sum of consecutive naturals, for example, 39880 + ... + 120153.

It is an arithmetic number, because the mean of its divisors is an integer number (567480564).

Almost surely, 2^6423244521 is an apocalyptic number.

It is an amenable number.

6423244521 is a deficient number, since it is larger than the sum of its proper divisors (2656444503).

6423244521 is a wasteful number, since it uses less digits than its factorization.

6423244521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160840.

The product of its digits is 46080, while the sum is 33.

The square root of 6423244521 is about 80145.1465841819. The cubic root of 6423244521 is about 1858.8805574649.

Adding to 6423244521 its reverse (1254423246), we get a palindrome (7677667767).

The spelling of 6423244521 in words is "six billion, four hundred twenty-three million, two hundred forty-four thousand, five hundred twenty-one".