716861942329 has 9 divisors (see below), whose sum is σ = 776258874093. Its totient is φ = 661708555872.

The previous prime is 716861942287. The next prime is 716861942339. The reversal of 716861942329 is 923249168617.

The square root of 716861942329 is 846677.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 426715965225 + 290145977104 = 653235^2 + 538652^2 .

It is not a de Polignac number, because 716861942329 - 2¹⁹ = 716861418041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716861942339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10974237 + ... + 11039365.

Almost surely, 2^716861942329 is an apocalyptic number.

716861942329 is the 846677-th square number.

716861942329 is the 423339-th centered octagonal number.

It is an amenable number.

716861942329 is a deficient number, since it is larger than the sum of its proper divisors (59396931764).

716861942329 is an frugal number, since it uses more digits than its factorization.

716861942329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130284 (or 65142 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 58.

The spelling of 716861942329 in words is "seven hundred sixteen billion, eight hundred sixty-one million, nine hundred forty-two thousand, three hundred twenty-nine".