204022605049 has 2 divisors, whose sum is σ = 204022605050. Its totient is φ = 204022605048.

The previous prime is 204022605043. The next prime is 204022605079. The reversal of 204022605049 is 940506220402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171422497024 + 32600108025 = 414032^2 + 180555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204022605049 is a prime.

It is not a weakly prime, because it can be changed into another prime (204022605043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102011302524 + 102011302525.

It is an arithmetic number, because the mean of its divisors is an integer number (102011302525).

Almost surely, 2^204022605049 is an apocalyptic number.

It is an amenable number.

204022605049 is a deficient number, since it is larger than the sum of its proper divisors (1).

204022605049 is an equidigital number, since it uses as much as digits as its factorization.

204022605049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 204022605049 in words is "two hundred four billion, twenty-two million, six hundred five thousand, forty-nine".