428968812568 has 16 divisors (see below), whose sum is σ = 804369608280. Its totient is φ = 214470250368.

The previous prime is 428968812557. The next prime is 428968812589. The reversal of 428968812568 is 865218869824.

It is a congruent number.

It is an unprimeable number.

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, 1640146 + ... + 1883617.

Almost surely, 2^428968812568 is an apocalyptic number.

It is an amenable number.

428968812568 is a deficient number, since it is larger than the sum of its proper divisors (375400795712).

428968812568 is a wasteful number, since it uses less digits than its factorization.

428968812568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538986 (or 3538982 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 67.

The spelling of 428968812568 in words is "four hundred twenty-eight billion, nine hundred sixty-eight million, eight hundred twelve thousand, five hundred sixty-eight".