715618066589 has 2 divisors, whose sum is σ = 715618066590. Its totient is φ = 715618066588.

The previous prime is 715618066519. The next prime is 715618066601. The reversal of 715618066589 is 985660816517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 667023391225 + 48594675364 = 816715^2 + 220442^2 .

It is a cyclic number.

It is not a de Polignac number, because 715618066589 - 2²⁴ = 715601289373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (715618066519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357809033294 + 357809033295.

It is an arithmetic number, because the mean of its divisors is an integer number (357809033295).

Almost surely, 2^715618066589 is an apocalyptic number.

It is an amenable number.

715618066589 is a deficient number, since it is larger than the sum of its proper divisors (1).

715618066589 is an equidigital number, since it uses as much as digits as its factorization.

715618066589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 715618066589 in words is "seven hundred fifteen billion, six hundred eighteen million, sixty-six thousand, five hundred eighty-nine".