71429789319169 has 2 divisors, whose sum is σ = 71429789319170. Its totient is φ = 71429789319168.

The previous prime is 71429789319067. The next prime is 71429789319211. The reversal of 71429789319169 is 96191398792417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70915683111025 + 514106208144 = 8421145^2 + 717012^2 .

It is a cyclic number.

It is not a de Polignac number, because 71429789319169 - 2¹⁷ = 71429789188097 is a prime.

It is a super-2 number, since 2×71429789319169² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71429789319095 and 71429789319104.

It is not a weakly prime, because it can be changed into another prime (71429789319569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35714894659584 + 35714894659585.

It is an arithmetic number, because the mean of its divisors is an integer number (35714894659585).

Almost surely, 2^{71429789319169} is an apocalyptic number.

It is an amenable number.

71429789319169 is a deficient number, since it is larger than the sum of its proper divisors (1).

71429789319169 is an equidigital number, since it uses as much as digits as its factorization.

71429789319169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 370355328, while the sum is 76.

The spelling of 71429789319169 in words is "seventy-one trillion, four hundred twenty-nine billion, seven hundred eighty-nine million, three hundred nineteen thousand, one hundred sixty-nine".