71682584189 has 2 divisors, whose sum is σ = 71682584190. Its totient is φ = 71682584188.

The previous prime is 71682584147. The next prime is 71682584201. The reversal of 71682584189 is 98148528617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70414868164 + 1267716025 = 265358^2 + 35605^2 .

It is a cyclic number.

It is not a de Polignac number, because 71682584189 - 2²⁰ = 71681535613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71682584089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35841292094 + 35841292095.

It is an arithmetic number, because the mean of its divisors is an integer number (35841292095).

Almost surely, 2^71682584189 is an apocalyptic number.

It is an amenable number.

71682584189 is a deficient number, since it is larger than the sum of its proper divisors (1).

71682584189 is an equidigital number, since it uses as much as digits as its factorization.

71682584189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 59.

The spelling of 71682584189 in words is "seventy-one billion, six hundred eighty-two million, five hundred eighty-four thousand, one hundred eighty-nine".