71711752669 has 2 divisors, whose sum is σ = 71711752670. Its totient is φ = 71711752668.

The previous prime is 71711752663. The next prime is 71711752741. The reversal of 71711752669 is 96625711717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50501325625 + 21210427044 = 224725^2 + 145638^2 .

It is a cyclic number.

It is not a de Polignac number, because 71711752669 - 2⁹ = 71711752157 is a prime.

It is a super-2 number, since 2×71711752669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71711752663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35855876334 + 35855876335.

It is an arithmetic number, because the mean of its divisors is an integer number (35855876335).

Almost surely, 2^71711752669 is an apocalyptic number.

It is an amenable number.

71711752669 is a deficient number, since it is larger than the sum of its proper divisors (1).

71711752669 is an equidigital number, since it uses as much as digits as its factorization.

71711752669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 52.

The spelling of 71711752669 in words is "seventy-one billion, seven hundred eleven million, seven hundred fifty-two thousand, six hundred sixty-nine".