204043434240419 has 4 divisors (see below), whose sum is σ = 204708070834344. Its totient is φ = 203378797646496.

The previous prime is 204043434240413. The next prime is 204043434240439. The reversal of 204043434240419 is 914042434340402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204043434240419 - 2³⁶ = 203974714763683 is a prime.

It is a super-2 number, since 2×204043434240419² (a number of 29 digits) contains 22 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 204043434240419.

It is not an unprimeable number, because it can be changed into a prime (204043434240413) 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 3 ways as a sum of consecutive naturals, for example, 332318296502 + ... + 332318297115.

It is an arithmetic number, because the mean of its divisors is an integer number (51177017708586).

Almost surely, 2^{204043434240419} is an apocalyptic number.

204043434240419 is a deficient number, since it is larger than the sum of its proper divisors (664636593925).

204043434240419 is an equidigital number, since it uses as much as digits as its factorization.

204043434240419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664636593924.

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 204043434240419 in words is "two hundred four trillion, forty-three billion, four hundred thirty-four million, two hundred forty thousand, four hundred nineteen".