41805374813 has 2 divisors, whose sum is σ = 41805374814. Its totient is φ = 41805374812.

The previous prime is 41805374783. The next prime is 41805374833. The reversal of 41805374813 is 31847350814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30063051769 + 11742323044 = 173387^2 + 108362^2 .

It is a cyclic number.

It is not a de Polignac number, because 41805374813 - 2⁶ = 41805374749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41805374833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20902687406 + 20902687407.

It is an arithmetic number, because the mean of its divisors is an integer number (20902687407).

Almost surely, 2^41805374813 is an apocalyptic number.

It is an amenable number.

41805374813 is a deficient number, since it is larger than the sum of its proper divisors (1).

41805374813 is an equidigital number, since it uses as much as digits as its factorization.

41805374813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 41805374813 in words is "forty-one billion, eight hundred five million, three hundred seventy-four thousand, eight hundred thirteen".