4042353281 has 2 divisors, whose sum is σ = 4042353282. Its totient is φ = 4042353280.

The previous prime is 4042353269. The next prime is 4042353311. The reversal of 4042353281 is 1823532404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2392775056 + 1649578225 = 48916^2 + 40615^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042353281 - 2¹⁴ = 4042336897 is a prime.

It is a super-2 number, since 2×4042353281² = 32681240096822929922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4042353481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021176640 + 2021176641.

It is an arithmetic number, because the mean of its divisors is an integer number (2021176641).

Almost surely, 2^4042353281 is an apocalyptic number.

It is an amenable number.

4042353281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042353281 is an equidigital number, since it uses as much as digits as its factorization.

4042353281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 4042353281 is about 63579.5036234162. The cubic root of 4042353281 is about 1592.9840302029.

Adding to 4042353281 its reverse (1823532404), we get a palindrome (5865885685).

The spelling of 4042353281 in words is "four billion, forty-two million, three hundred fifty-three thousand, two hundred eighty-one".