4324021320013 has 4 divisors (see below), whose sum is σ = 4330408353660. Its totient is φ = 4317634286368.

The previous prime is 4324021320001. The next prime is 4324021320023. The reversal of 4324021320013 is 3100231204234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4174347506884 + 149673813129 = 2043122^2 + 386877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4324021320013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4324021320013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4324021320023) 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 3 ways as a sum of consecutive naturals, for example, 3193515808 + ... + 3193517161.

It is an arithmetic number, because the mean of its divisors is an integer number (1082602088415).

Almost surely, 2^{4324021320013} is an apocalyptic number.

It is an amenable number.

4324021320013 is a deficient number, since it is larger than the sum of its proper divisors (6387033647).

4324021320013 is an equidigital number, since it uses as much as digits as its factorization.

4324021320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6387033646.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 4324021320013 its reverse (3100231204234), we get a palindrome (7424252524247).

The spelling of 4324021320013 in words is "four trillion, three hundred twenty-four billion, twenty-one million, three hundred twenty thousand, thirteen".