4021444442053 has 2 divisors, whose sum is σ = 4021444442054. Its totient is φ = 4021444442052.

The previous prime is 4021444442039. The next prime is 4021444442129. The reversal of 4021444442053 is 3502444441204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3962639647044 + 58804795009 = 1990638^2 + 242497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021444442053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021444472053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010722221026 + 2010722221027.

It is an arithmetic number, because the mean of its divisors is an integer number (2010722221027).

Almost surely, 2^{4021444442053} is an apocalyptic number.

It is an amenable number.

4021444442053 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021444442053 is an equidigital number, since it uses as much as digits as its factorization.

4021444442053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 4021444442053 its reverse (3502444441204), we get a palindrome (7523888883257).

The spelling of 4021444442053 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-two thousand, fifty-three".