543506346828 has 18 divisors (see below), whose sum is σ = 1373863265684. Its totient is φ = 181168782264.

The previous prime is 543506346827. The next prime is 543506346833. The reversal of 543506346828 is 828643605345.

543506346828 is a `hidden beast` number, since 5 + 43 + 506 + 34 + 68 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (543506346827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7548699226 + ... + 7548699297.

Almost surely, 2^543506346828 is an apocalyptic number.

It is an amenable number.

543506346828 is an abundant number, since it is smaller than the sum of its proper divisors (830356918856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

543506346828 is a wasteful number, since it uses less digits than its factorization.

543506346828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15097398533 (or 15097398528 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 54.

The spelling of 543506346828 in words is "five hundred forty-three billion, five hundred six million, three hundred forty-six thousand, eight hundred twenty-eight".