41413444421 has 2 divisors, whose sum is σ = 41413444422. Its totient is φ = 41413444420.

The previous prime is 41413444409. The next prime is 41413444477. The reversal of 41413444421 is 12444431414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29222193025 + 12191251396 = 170945^2 + 110414^2 .

It is a cyclic number.

It is not a de Polignac number, because 41413444421 - 2³⁰ = 40339702597 is a prime.

It is a super-2 number, since 2×41413444421² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41413449421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20706722210 + 20706722211.

It is an arithmetic number, because the mean of its divisors is an integer number (20706722211).

Almost surely, 2^41413444421 is an apocalyptic number.

It is an amenable number.

41413444421 is a deficient number, since it is larger than the sum of its proper divisors (1).

41413444421 is an equidigital number, since it uses as much as digits as its factorization.

41413444421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 32.

Adding to 41413444421 its reverse (12444431414), we get a palindrome (53857875835).

The spelling of 41413444421 in words is "forty-one billion, four hundred thirteen million, four hundred forty-four thousand, four hundred twenty-one".