71436341771 has 2 divisors, whose sum is σ = 71436341772. Its totient is φ = 71436341770.

The previous prime is 71436341749. The next prime is 71436341773. The reversal of 71436341771 is 17714363417.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17714363417) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71436341771 is a prime.

Together with 71436341773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71436341773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35718170885 + 35718170886.

It is an arithmetic number, because the mean of its divisors is an integer number (35718170886).

Almost surely, 2^71436341771 is an apocalyptic number.

71436341771 is a deficient number, since it is larger than the sum of its proper divisors (1).

71436341771 is an equidigital number, since it uses as much as digits as its factorization.

71436341771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 44.

The spelling of 71436341771 in words is "seventy-one billion, four hundred thirty-six million, three hundred forty-one thousand, seven hundred seventy-one".