41697937181 has 2 divisors, whose sum is σ = 41697937182. Its totient is φ = 41697937180.

The previous prime is 41697937153. The next prime is 41697937189. The reversal of 41697937181 is 18173979614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22690903225 + 19007033956 = 150635^2 + 137866^2 .

It is a cyclic number.

It is not a de Polignac number, because 41697937181 - 2¹⁸ = 41697675037 is a prime.

It is a super-2 number, since 2×41697937181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41697937189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20848968590 + 20848968591.

It is an arithmetic number, because the mean of its divisors is an integer number (20848968591).

Almost surely, 2^41697937181 is an apocalyptic number.

It is an amenable number.

41697937181 is a deficient number, since it is larger than the sum of its proper divisors (1).

41697937181 is an equidigital number, since it uses as much as digits as its factorization.

41697937181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 56.

The spelling of 41697937181 in words is "forty-one billion, six hundred ninety-seven million, nine hundred thirty-seven thousand, one hundred eighty-one".