4336142421421 has 2 divisors, whose sum is σ = 4336142421422. Its totient is φ = 4336142421420.

The previous prime is 4336142421419. The next prime is 4336142421461. The reversal of 4336142421421 is 1241242416334.

It is a happy number.

4336142421421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2656202405796 + 1679940015625 = 1629786^2 + 1296125^2 .

It is a cyclic number.

It is not a de Polignac number, because 4336142421421 - 2¹ = 4336142421419 is a prime.

Together with 4336142421419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4336142421461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2168071210710 + 2168071210711.

It is an arithmetic number, because the mean of its divisors is an integer number (2168071210711).

Almost surely, 2^{4336142421421} is an apocalyptic number.

It is an amenable number.

4336142421421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4336142421421 is an equidigital number, since it uses as much as digits as its factorization.

4336142421421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 37.

Adding to 4336142421421 its reverse (1241242416334), we get a palindrome (5577384837755).

The spelling of 4336142421421 in words is "four trillion, three hundred thirty-six billion, one hundred forty-two million, four hundred twenty-one thousand, four hundred twenty-one".