717725319812 has 6 divisors (see below), whose sum is σ = 1256019309678. Its totient is φ = 358862659904.

The previous prime is 717725319793. The next prime is 717725319841. The reversal of 717725319812 is 218913527717.

It can be written as a sum of positive squares in only one way, i.e., 717724118596 + 1201216 = 847186^2 + 1096^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89715664973 + ... + 89715664980.

It is an arithmetic number, because the mean of its divisors is an integer number (209336551613).

Almost surely, 2^717725319812 is an apocalyptic number.

It is an amenable number.

717725319812 is a deficient number, since it is larger than the sum of its proper divisors (538293989866).

717725319812 is a wasteful number, since it uses less digits than its factorization.

717725319812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179431329957 (or 179431329955 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 53.

The spelling of 717725319812 in words is "seven hundred seventeen billion, seven hundred twenty-five million, three hundred nineteen thousand, eight hundred twelve".