712448753218 has 8 divisors (see below), whose sum is σ = 1088836773948. Its totient is φ = 349503161904.

The previous prime is 712448753141. The next prime is 712448753249. The reversal of 712448753218 is 812357844217.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 656791922329 + 55656830889 = 810427^2 + 235917^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 3360607221 + ... + 3360607432.

Almost surely, 2^712448753218 is an apocalyptic number.

712448753218 is a deficient number, since it is larger than the sum of its proper divisors (376388020730).

712448753218 is a wasteful number, since it uses less digits than its factorization.

712448753218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6721214708.

The product of its digits is 3010560, while the sum is 52.

Subtracting 712448753218 from its reverse (812357844217), we obtain a palindrome (99909090999).

The spelling of 712448753218 in words is "seven hundred twelve billion, four hundred forty-eight million, seven hundred fifty-three thousand, two hundred eighteen".