4042321441 has 2 divisors, whose sum is σ = 4042321442. Its totient is φ = 4042321440.

The previous prime is 4042321399. The next prime is 4042321453. The reversal of 4042321441 is 1441232404.

4042321441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2864390400 + 1177931041 = 53520^2 + 34321^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042321441 - 2²¹ = 4040224289 is a prime.

It is not a weakly prime, because it can be changed into another prime (4042321471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021160720 + 2021160721.

It is an arithmetic number, because the mean of its divisors is an integer number (2021160721).

Almost surely, 2^4042321441 is an apocalyptic number.

It is an amenable number.

4042321441 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042321441 is an equidigital number, since it uses as much as digits as its factorization.

4042321441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 4042321441 is about 63579.2532277629. The cubic root of 4042321441 is about 1592.9798477592.

Adding to 4042321441 its reverse (1441232404), we get a palindrome (5483553845).

The spelling of 4042321441 in words is "four billion, forty-two million, three hundred twenty-one thousand, four hundred forty-one".