500243605541171 has 2 divisors, whose sum is σ = 500243605541172. Its totient is φ = 500243605541170.

The previous prime is 500243605541111. The next prime is 500243605541269. The reversal of 500243605541171 is 171145506342005.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 500243605541171 - 2¹⁸ = 500243605279027 is a prime.

It is not a weakly prime, because it can be changed into another prime (500243605541111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250121802770585 + 250121802770586.

It is an arithmetic number, because the mean of its divisors is an integer number (250121802770586).

Almost surely, 2^{500243605541171} is an apocalyptic number.

500243605541171 is a deficient number, since it is larger than the sum of its proper divisors (1).

500243605541171 is an equidigital number, since it uses as much as digits as its factorization.

500243605541171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 500243605541171 in words is "five hundred trillion, two hundred forty-three billion, six hundred five million, five hundred forty-one thousand, one hundred seventy-one".