543623322868 has 6 divisors (see below), whose sum is σ = 951340815026. Its totient is φ = 271811661432.

The previous prime is 543623322839. The next prime is 543623322889. The reversal of 543623322868 is 868223326345.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 481541620624 + 62081702244 = 693932^2 + 249162^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67952915355 + ... + 67952915362.

Almost surely, 2^543623322868 is an apocalyptic number.

It is an amenable number.

543623322868 is a deficient number, since it is larger than the sum of its proper divisors (407717492158).

543623322868 is a wasteful number, since it uses less digits than its factorization.

543623322868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135905830721 (or 135905830719 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 52.

The spelling of 543623322868 in words is "five hundred forty-three billion, six hundred twenty-three million, three hundred twenty-two thousand, eight hundred sixty-eight".