204517359471 has 16 divisors (see below), whose sum is σ = 272915878400. Its totient is φ = 136231927488.

The previous prime is 204517359421. The next prime is 204517359491. The reversal of 204517359471 is 174953715402.

It is not a de Polignac number, because 204517359471 - 2¹³ = 204517351279 is a prime.

It is a super-3 number, since 3×204517359471³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204517359471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204517359421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35386860 + ... + 35392638.

It is an arithmetic number, because the mean of its divisors is an integer number (17057242400).

Almost surely, 2^204517359471 is an apocalyptic number.

204517359471 is a deficient number, since it is larger than the sum of its proper divisors (68398518929).

204517359471 is a wasteful number, since it uses less digits than its factorization.

204517359471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13518.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 204517359471 in words is "two hundred four billion, five hundred seventeen million, three hundred fifty-nine thousand, four hundred seventy-one".