4021043434061 has 2 divisors, whose sum is σ = 4021043434062. Its totient is φ = 4021043434060.

The previous prime is 4021043433997. The next prime is 4021043434063. The reversal of 4021043434061 is 1604343401204.

4021043434061 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., 3995321368900 + 25722065161 = 1998830^2 + 160381^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021043434061 - 2⁶ = 4021043433997 is a prime.

Together with 4021043434063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021043434063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010521717030 + 2010521717031.

It is an arithmetic number, because the mean of its divisors is an integer number (2010521717031).

Almost surely, 2^{4021043434061} is an apocalyptic number.

It is an amenable number.

4021043434061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021043434061 is an equidigital number, since it uses as much as digits as its factorization.

4021043434061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 4021043434061 its reverse (1604343401204), we get a palindrome (5625386835265).

The spelling of 4021043434061 in words is "four trillion, twenty-one billion, forty-three million, four hundred thirty-four thousand, sixty-one".