543689045505 has 32 divisors (see below), whose sum is σ = 966698121600. Its totient is φ = 289925545536.

The previous prime is 543689045489. The next prime is 543689045593. The reversal of 543689045505 is 505540986345.

543689045505 is a `hidden beast` number, since 5 + 4 + 3 + 6 + 8 + 90 + 45 + 505 = 666.

It is not a de Polignac number, because 543689045505 - 2⁴ = 543689045489 is a prime.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 656806 + ... + 1232384.

It is an arithmetic number, because the mean of its divisors is an integer number (30209316300).

Almost surely, 2^543689045505 is an apocalyptic number.

It is an amenable number.

543689045505 is a deficient number, since it is larger than the sum of its proper divisors (423009076095).

543689045505 is a wasteful number, since it uses less digits than its factorization.

543689045505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582590 (or 582584 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 54.

The spelling of 543689045505 in words is "five hundred forty-three billion, six hundred eighty-nine million, forty-five thousand, five hundred five".