71334643317 has 16 divisors (see below), whose sum is σ = 108716012160. Its totient is φ = 40756802112.

The previous prime is 71334643301. The next prime is 71334643319.

71334643317 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 71334643317 - 2⁴ = 71334643301 is a prime.

It is a super-2 number, since 2×71334643317² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71334643319) 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 in 15 ways as a sum of consecutive naturals, for example, 91818 + ... + 388715.

It is an arithmetic number, because the mean of its divisors is an integer number (6794750760).

Almost surely, 2^71334643317 is an apocalyptic number.

It is an amenable number.

71334643317 is a deficient number, since it is larger than the sum of its proper divisors (37381368843).

71334643317 is a wasteful number, since it uses less digits than its factorization.

71334643317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487612.

The product of its digits is 381024, while the sum is 42.

The spelling of 71334643317 in words is "seventy-one billion, three hundred thirty-four million, six hundred forty-three thousand, three hundred seventeen".