42241217171 has 2 divisors, whose sum is σ = 42241217172. Its totient is φ = 42241217170.

The previous prime is 42241217119. The next prime is 42241217197. The reversal of 42241217171 is 17171214224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42241217171 - 2¹⁴ = 42241200787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42241211171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21120608585 + 21120608586.

It is an arithmetic number, because the mean of its divisors is an integer number (21120608586).

Almost surely, 2^42241217171 is an apocalyptic number.

42241217171 is a deficient number, since it is larger than the sum of its proper divisors (1).

42241217171 is an equidigital number, since it uses as much as digits as its factorization.

42241217171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 32.

The spelling of 42241217171 in words is "forty-two billion, two hundred forty-one million, two hundred seventeen thousand, one hundred seventy-one".