713663689 has 4 divisors (see below), whose sum is σ = 755643924. Its totient is φ = 671683456.

The previous prime is 713663681. The next prime is 713663701. The reversal of 713663689 is 986366317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 986366317 = 5669 ⋅173993.

It can be written as a sum of positive squares in 2 ways, for example, as 635040000 + 78623689 = 25200^2 + 8867^2 .

It is a cyclic number.

It is not a de Polignac number, because 713663689 - 2³ = 713663681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713663681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20990092 + ... + 20990125.

It is an arithmetic number, because the mean of its divisors is an integer number (188910981).

Almost surely, 2^713663689 is an apocalyptic number.

It is an amenable number.

713663689 is a deficient number, since it is larger than the sum of its proper divisors (41980235).

713663689 is a wasteful number, since it uses less digits than its factorization.

713663689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41980234.

The product of its digits is 979776, while the sum is 49.

The square root of 713663689 is about 26714.4846291296. The cubic root of 713663689 is about 893.6439787909.

The spelling of 713663689 in words is "seven hundred thirteen million, six hundred sixty-three thousand, six hundred eighty-nine".