71693107199 has 4 divisors (see below), whose sum is σ = 81934979664. Its totient is φ = 61451234736.

The previous prime is 71693107193. The next prime is 71693107201. The reversal of 71693107199 is 99170139617.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71693107199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71693107199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71693107193) 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, 5120936222 + ... + 5120936235.

It is an arithmetic number, because the mean of its divisors is an integer number (20483744916).

Almost surely, 2^71693107199 is an apocalyptic number.

71693107199 is a deficient number, since it is larger than the sum of its proper divisors (10241872465).

71693107199 is a wasteful number, since it uses less digits than its factorization.

71693107199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10241872464.

The product of its (nonzero) digits is 642978, while the sum is 53.

The spelling of 71693107199 in words is "seventy-one billion, six hundred ninety-three million, one hundred seven thousand, one hundred ninety-nine".