41294171909 has 2 divisors, whose sum is σ = 41294171910. Its totient is φ = 41294171908.

The previous prime is 41294171813. The next prime is 41294171959. The reversal of 41294171909 is 90917149214.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21482764900 + 19811407009 = 146570^2 + 140753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41294171909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41294171959) 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, 20647085954 + 20647085955.

It is an arithmetic number, because the mean of its divisors is an integer number (20647085955).

Almost surely, 2^41294171909 is an apocalyptic number.

It is an amenable number.

41294171909 is a deficient number, since it is larger than the sum of its proper divisors (1).

41294171909 is an equidigital number, since it uses as much as digits as its factorization.

41294171909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 41294171909 in words is "forty-one billion, two hundred ninety-four million, one hundred seventy-one thousand, nine hundred nine".