71471234143 has 2 divisors, whose sum is σ = 71471234144. Its totient is φ = 71471234142.

The previous prime is 71471234141. The next prime is 71471234183. The reversal of 71471234143 is 34143217417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71471234143 - 2¹ = 71471234141 is a prime.

Together with 71471234141, 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 (71471234141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35735617071 + 35735617072.

It is an arithmetic number, because the mean of its divisors is an integer number (35735617072).

Almost surely, 2^71471234143 is an apocalyptic number.

71471234143 is a deficient number, since it is larger than the sum of its proper divisors (1).

71471234143 is an equidigital number, since it uses as much as digits as its factorization.

71471234143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The spelling of 71471234143 in words is "seventy-one billion, four hundred seventy-one million, two hundred thirty-four thousand, one hundred forty-three".