2041843404421 has 2 divisors, whose sum is σ = 2041843404422. Its totient is φ = 2041843404420.

The previous prime is 2041843404379. The next prime is 2041843404443. The reversal of 2041843404421 is 1244043481402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2036075001921 + 5768402500 = 1426911^2 + 75950^2 .

It is a cyclic number.

It is not a de Polignac number, because 2041843404421 - 2¹¹ = 2041843402373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2041843404481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020921702210 + 1020921702211.

It is an arithmetic number, because the mean of its divisors is an integer number (1020921702211).

Almost surely, 2^{2041843404421} is an apocalyptic number.

It is an amenable number.

2041843404421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2041843404421 is an equidigital number, since it uses as much as digits as its factorization.

2041843404421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98304, while the sum is 37.

Adding to 2041843404421 its reverse (1244043481402), we get a palindrome (3285886885823).

The spelling of 2041843404421 in words is "two trillion, forty-one billion, eight hundred forty-three million, four hundred four thousand, four hundred twenty-one".