543640314352217 has 8 divisors (see below), whose sum is σ = 543884479457256. Its totient is φ = 543396155771392.

The previous prime is 543640314352183. The next prime is 543640314352259. The reversal of 543640314352217 is 712253413046345.

It can be written as a sum of positive squares in 4 ways, for example, as 66302195323456 + 477338119028761 = 8142616^2 + 21848069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 543640314352217 - 2¹⁸ = 543640314090073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543640314352717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169067453 + ... + 172252965.

It is an arithmetic number, because the mean of its divisors is an integer number (67985559932157).

Almost surely, 2^{543640314352217} is an apocalyptic number.

It is an amenable number.

543640314352217 is a deficient number, since it is larger than the sum of its proper divisors (244165105039).

543640314352217 is a wasteful number, since it uses less digits than its factorization.

543640314352217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262107.

The product of its (nonzero) digits is 7257600, while the sum is 50.

The spelling of 543640314352217 in words is "five hundred forty-three trillion, six hundred forty billion, three hundred fourteen million, three hundred fifty-two thousand, two hundred seventeen".