4021444232339 has 2 divisors, whose sum is σ = 4021444232340. Its totient is φ = 4021444232338.

The previous prime is 4021444232293. The next prime is 4021444232341. The reversal of 4021444232339 is 9332324441204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021444232339 is a prime.

Together with 4021444232341, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4021444232296 and 4021444232305.

It is not a weakly prime, because it can be changed into another prime (4021444292339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010722116169 + 2010722116170.

It is an arithmetic number, because the mean of its divisors is an integer number (2010722116170).

Almost surely, 2^{4021444232339} is an apocalyptic number.

4021444232339 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021444232339 is an equidigital number, since it uses as much as digits as its factorization.

4021444232339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 4021444232339 in words is "four trillion, twenty-one billion, four hundred forty-four million, two hundred thirty-two thousand, three hundred thirty-nine".