717406654849 has 8 divisors (see below), whose sum is σ = 734935888008. Its totient is φ = 699878922240.

The previous prime is 717406654843. The next prime is 717406654873. The reversal of 717406654849 is 948456604717.

It can be written as a sum of positive squares in 4 ways, for example, as 235676266225 + 481730388624 = 485465^2 + 694068^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 717406654849 - 2⁵ = 717406654817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (717406654843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624909 + ... + 1351045.

It is an arithmetic number, because the mean of its divisors is an integer number (91866986001).

Almost surely, 2^717406654849 is an apocalyptic number.

It is an amenable number.

717406654849 is a deficient number, since it is larger than the sum of its proper divisors (17529233159).

717406654849 is a wasteful number, since it uses less digits than its factorization.

717406654849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750275.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 717406654849 in words is "seven hundred seventeen billion, four hundred six million, six hundred fifty-four thousand, eight hundred forty-nine".