204817042267 has 2 divisors, whose sum is σ = 204817042268. Its totient is φ = 204817042266.

The previous prime is 204817042237. The next prime is 204817042273. The reversal of 204817042267 is 762240718402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204817042267 - 2¹⁵ = 204817009499 is a prime.

It is not a weakly prime, because it can be changed into another prime (204817042237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102408521133 + 102408521134.

It is an arithmetic number, because the mean of its divisors is an integer number (102408521134).

Almost surely, 2^204817042267 is an apocalyptic number.

204817042267 is a deficient number, since it is larger than the sum of its proper divisors (1).

204817042267 is an equidigital number, since it uses as much as digits as its factorization.

204817042267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301056, while the sum is 43.

The spelling of 204817042267 in words is "two hundred four billion, eight hundred seventeen million, forty-two thousand, two hundred sixty-seven".