4021442441329 has 4 divisors (see below), whose sum is σ = 4022909588340. Its totient is φ = 4019975294320.

The previous prime is 4021442441309. The next prime is 4021442441353. The reversal of 4021442441329 is 9231442441204.

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 2079176544225 + 1942265897104 = 1441935^2 + 1393652^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021442441329 - 2⁵ = 4021442441297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4021442441291 and 4021442441300.

It is not an unprimeable number, because it can be changed into a prime (4021442441309) 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 3 ways as a sum of consecutive naturals, for example, 733569394 + ... + 733574875.

It is an arithmetic number, because the mean of its divisors is an integer number (1005727397085).

Almost surely, 2^{4021442441329} is an apocalyptic number.

It is an amenable number.

4021442441329 is a deficient number, since it is larger than the sum of its proper divisors (1467147011).

4021442441329 is a wasteful number, since it uses less digits than its factorization.

4021442441329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467147010.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 4021442441329 in words is "four trillion, twenty-one billion, four hundred forty-two million, four hundred forty-one thousand, three hundred twenty-nine".