971071616069 has 2 divisors, whose sum is σ = 971071616070. Its totient is φ = 971071616068.

The previous prime is 971071616041. The next prime is 971071616171. The reversal of 971071616069 is 960616170179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 563437890625 + 407633725444 = 750625^2 + 638462^2 .

It is a cyclic number.

It is not a de Polignac number, because 971071616069 - 2³⁶ = 902352139333 is a prime.

It is a super-2 number, since 2×971071616069² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 971071616069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971071606069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485535808034 + 485535808035.

It is an arithmetic number, because the mean of its divisors is an integer number (485535808035).

Almost surely, 2^971071616069 is an apocalyptic number.

It is an amenable number.

971071616069 is a deficient number, since it is larger than the sum of its proper divisors (1).

971071616069 is an equidigital number, since it uses as much as digits as its factorization.

971071616069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 53.

The spelling of 971071616069 in words is "nine hundred seventy-one billion, seventy-one million, six hundred sixteen thousand, sixty-nine".