71336808443 has 4 divisors (see below), whose sum is σ = 71375433360. Its totient is φ = 71298183528.

The previous prime is 71336808427. The next prime is 71336808457. The reversal of 71336808443 is 34480863317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34480863317 = 67 ⋅514639751.

It is a cyclic number.

It is not a de Polignac number, because 71336808443 - 2⁴ = 71336808427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71336808343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19309688 + ... + 19313381.

It is an arithmetic number, because the mean of its divisors is an integer number (17843858340).

Almost surely, 2^71336808443 is an apocalyptic number.

71336808443 is a deficient number, since it is larger than the sum of its proper divisors (38624917).

71336808443 is a wasteful number, since it uses less digits than its factorization.

71336808443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38624916.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 71336808443 in words is "seventy-one billion, three hundred thirty-six million, eight hundred eight thousand, four hundred forty-three".