4352144335421 has 16 divisors (see below), whose sum is σ = 4445446579200. Its totient is φ = 4259259426240.

The previous prime is 4352144335391. The next prime is 4352144335453. The reversal of 4352144335421 is 1245334412534.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4352144335421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4352144335921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247286180 + ... + 247303778.

It is an arithmetic number, because the mean of its divisors is an integer number (277840411200).

Almost surely, 2^{4352144335421} is an apocalyptic number.

It is an amenable number.

4352144335421 is a deficient number, since it is larger than the sum of its proper divisors (93302243779).

4352144335421 is a wasteful number, since it uses less digits than its factorization.

4352144335421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29156.

The product of its digits is 691200, while the sum is 41.

Adding to 4352144335421 its reverse (1245334412534), we get a palindrome (5597478747955).

The spelling of 4352144335421 in words is "four trillion, three hundred fifty-two billion, one hundred forty-four million, three hundred thirty-five thousand, four hundred twenty-one".