71243912193 has 16 divisors (see below), whose sum is σ = 98379380736. Its totient is φ = 45830659280.

The previous prime is 71243912189. The next prime is 71243912197. The reversal of 71243912193 is 39121934217.

It is an interprime number because it is at equal distance from previous prime (71243912189) and next prime (71243912197).

It is a cyclic number.

It is not a de Polignac number, because 71243912193 - 2² = 71243912189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71243912197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3548271 + ... + 3568292.

It is an arithmetic number, because the mean of its divisors is an integer number (6148711296).

Almost surely, 2^71243912193 is an apocalyptic number.

It is an amenable number.

71243912193 is a deficient number, since it is larger than the sum of its proper divisors (27135468543).

71243912193 is a wasteful number, since it uses less digits than its factorization.

71243912193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7116684.

The product of its digits is 81648, while the sum is 42.

The spelling of 71243912193 in words is "seventy-one billion, two hundred forty-three million, nine hundred twelve thousand, one hundred ninety-three".