4021434340481 has 2 divisors, whose sum is σ = 4021434340482. Its totient is φ = 4021434340480.

The previous prime is 4021434340439. The next prime is 4021434340501. The reversal of 4021434340481 is 1840434341204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4018485307456 + 2949033025 = 2004616^2 + 54305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021434340481 is a prime.

It is a super-2 number, since 2×4021434340481² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4021434340081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010717170240 + 2010717170241.

It is an arithmetic number, because the mean of its divisors is an integer number (2010717170241).

Almost surely, 2^{4021434340481} is an apocalyptic number.

It is an amenable number.

4021434340481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021434340481 is an equidigital number, since it uses as much as digits as its factorization.

4021434340481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 38.

Adding to 4021434340481 its reverse (1840434341204), we get a palindrome (5861868681685).

The spelling of 4021434340481 in words is "four trillion, twenty-one billion, four hundred thirty-four million, three hundred forty thousand, four hundred eighty-one".