543323481894 has 16 divisors (see below), whose sum is σ = 1207385515440. Its totient is φ = 181107827280.

The previous prime is 543323481871. The next prime is 543323481907. The reversal of 543323481894 is 498184323345.

543323481894 is a `hidden beast` number, since 5 + 43 + 32 + 3 + 481 + 8 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 10061545961 = 543323481894 / (5 + 4 + 3 + 3 + 2 + 3 + 4 + 8 + 1 + 8 + 9 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 543323481894.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5030772927 + ... + 5030773034.

It is an arithmetic number, because the mean of its divisors is an integer number (75461594715).

Almost surely, 2^543323481894 is an apocalyptic number.

543323481894 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

543323481894 is an abundant number, since it is smaller than the sum of its proper divisors (664062033546).

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

543323481894 is a wasteful number, since it uses less digits than its factorization.

543323481894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061545972 (or 10061545966 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 543323481894 in words is "five hundred forty-three billion, three hundred twenty-three million, four hundred eighty-one thousand, eight hundred ninety-four".