71693107193 has 2 divisors, whose sum is σ = 71693107194. Its totient is φ = 71693107192.

The previous prime is 71693107177. The next prime is 71693107201. The reversal of 71693107193 is 39170139617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41490838249 + 30202268944 = 203693^2 + 173788^2 .

It is a cyclic number.

It is not a de Polignac number, because 71693107193 - 2⁴ = 71693107177 is a prime.

It is not a weakly prime, because it can be changed into another prime (71693104193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35846553596 + 35846553597.

It is an arithmetic number, because the mean of its divisors is an integer number (35846553597).

Almost surely, 2^71693107193 is an apocalyptic number.

It is an amenable number.

71693107193 is a deficient number, since it is larger than the sum of its proper divisors (1).

71693107193 is an equidigital number, since it uses as much as digits as its factorization.

71693107193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 47.

The spelling of 71693107193 in words is "seventy-one billion, six hundred ninety-three million, one hundred seven thousand, one hundred ninety-three".