43143522871 has 2 divisors, whose sum is σ = 43143522872. Its totient is φ = 43143522870.

The previous prime is 43143522869. The next prime is 43143522901. The reversal of 43143522871 is 17822534134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43143522871 - 2¹ = 43143522869 is a prime.

It is a super-2 number, since 2×43143522871² (a number of 22 digits) contains 22 as substring.

Together with 43143522869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43143522841) 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, 21571761435 + 21571761436.

It is an arithmetic number, because the mean of its divisors is an integer number (21571761436).

Almost surely, 2^43143522871 is an apocalyptic number.

43143522871 is a deficient number, since it is larger than the sum of its proper divisors (1).

43143522871 is an equidigital number, since it uses as much as digits as its factorization.

43143522871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 40.

The spelling of 43143522871 in words is "forty-three billion, one hundred forty-three million, five hundred twenty-two thousand, eight hundred seventy-one".