543475666574345 has 16 divisors (see below), whose sum is σ = 654030903353232. Its totient is φ = 433542227005440.

The previous prime is 543475666574297. The next prime is 543475666574371.

543475666574345 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 12236367794704 + 531239298779641 = 3498052^2 + 23048629^2 .

It is not a de Polignac number, because 543475666574345 - 2²⁰ = 543475665525769 is a prime.

It is a Duffinian 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 in 15 ways as a sum of consecutive naturals, for example, 107702876 + ... + 112635965.

It is an arithmetic number, because the mean of its divisors is an integer number (40876931459577).

Almost surely, 2^{543475666574345} is an apocalyptic number.

It is an amenable number.

543475666574345 is a deficient number, since it is larger than the sum of its proper divisors (110555236778887).

543475666574345 is a wasteful number, since it uses less digits than its factorization.

543475666574345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220340252.

The product of its digits is 15240960000, while the sum is 74.

The spelling of 543475666574345 in words is "five hundred forty-three trillion, four hundred seventy-five billion, six hundred sixty-six million, five hundred seventy-four thousand, three hundred forty-five".