204534421035 has 16 divisors (see below), whose sum is σ = 374005798656. Its totient is φ = 93501449568.

The previous prime is 204534421033. The next prime is 204534421043. The reversal of 204534421035 is 530124435402.

It is not a de Polignac number, because 204534421035 - 2¹ = 204534421033 is a prime.

It is a super-4 number, since 4×204534421035⁴ (a number of 46 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204534420987 and 204534421005.

It is not an unprimeable number, because it can be changed into a prime (204534421033) by changing a digit.

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, 973973329 + ... + 973973538.

It is an arithmetic number, because the mean of its divisors is an integer number (23375362416).

Almost surely, 2^204534421035 is an apocalyptic number.

204534421035 is a deficient number, since it is larger than the sum of its proper divisors (169471377621).

204534421035 is a wasteful number, since it uses less digits than its factorization.

204534421035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947946882.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 204534421035 its reverse (530124435402), we get a palindrome (734658856437).

The spelling of 204534421035 in words is "two hundred four billion, five hundred thirty-four million, four hundred twenty-one thousand, thirty-five".