71933652689 has 2 divisors, whose sum is σ = 71933652690. Its totient is φ = 71933652688.

The previous prime is 71933652647. The next prime is 71933652697. The reversal of 71933652689 is 98625633917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51665290000 + 20268362689 = 227300^2 + 142367^2 .

It is a cyclic number.

It is not a de Polignac number, because 71933652689 - 2²⁰ = 71932604113 is a prime.

It is not a weakly prime, because it can be changed into another prime (71963652689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35966826344 + 35966826345.

It is an arithmetic number, because the mean of its divisors is an integer number (35966826345).

Almost surely, 2^71933652689 is an apocalyptic number.

It is an amenable number.

71933652689 is a deficient number, since it is larger than the sum of its proper divisors (1).

71933652689 is an equidigital number, since it uses as much as digits as its factorization.

71933652689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14696640, while the sum is 59.

The spelling of 71933652689 in words is "seventy-one billion, nine hundred thirty-three million, six hundred fifty-two thousand, six hundred eighty-nine".