41809512097 has 2 divisors, whose sum is σ = 41809512098. Its totient is φ = 41809512096.

The previous prime is 41809512091. The next prime is 41809512113. The reversal of 41809512097 is 79021590814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41766688161 + 42823936 = 204369^2 + 6544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41809512097 is a prime.

It is not a weakly prime, because it can be changed into another prime (41809512091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20904756048 + 20904756049.

It is an arithmetic number, because the mean of its divisors is an integer number (20904756049).

Almost surely, 2^41809512097 is an apocalyptic number.

It is an amenable number.

41809512097 is a deficient number, since it is larger than the sum of its proper divisors (1).

41809512097 is an equidigital number, since it uses as much as digits as its factorization.

41809512097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 41809512097 in words is "forty-one billion, eight hundred nine million, five hundred twelve thousand, ninety-seven".