41345749169 has 2 divisors, whose sum is σ = 41345749170. Its totient is φ = 41345749168.

The previous prime is 41345749157. The next prime is 41345749213. The reversal of 41345749169 is 96194754314.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30098086144 + 11247663025 = 173488^2 + 106055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41345749169 is a prime.

It is a super-2 number, since 2×41345749169² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 41345749169.

It is not a weakly prime, because it can be changed into another prime (41345749469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20672874584 + 20672874585.

It is an arithmetic number, because the mean of its divisors is an integer number (20672874585).

Almost surely, 2^41345749169 is an apocalyptic number.

It is an amenable number.

41345749169 is a deficient number, since it is larger than the sum of its proper divisors (1).

41345749169 is an equidigital number, since it uses as much as digits as its factorization.

41345749169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 53.

The spelling of 41345749169 in words is "forty-one billion, three hundred forty-five million, seven hundred forty-nine thousand, one hundred sixty-nine".