204169404453 has 16 divisors (see below), whose sum is σ = 311617912320. Its totient is φ = 116479745136.

The previous prime is 204169404449. The next prime is 204169404487. The reversal of 204169404453 is 354404961402.

It is not a de Polignac number, because 204169404453 - 2² = 204169404449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204169404443) 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, 7840275 + ... + 7866272.

It is an arithmetic number, because the mean of its divisors is an integer number (19476119520).

Almost surely, 2^204169404453 is an apocalyptic number.

It is an amenable number.

204169404453 is a deficient number, since it is larger than the sum of its proper divisors (107448507867).

204169404453 is a wasteful number, since it uses less digits than its factorization.

204169404453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15707176.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 204169404453 in words is "two hundred four billion, one hundred sixty-nine million, four hundred four thousand, four hundred fifty-three".