204204010193 has 2 divisors, whose sum is σ = 204204010194. Its totient is φ = 204204010192.

The previous prime is 204204010187. The next prime is 204204010201. The reversal of 204204010193 is 391010402402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178698961984 + 25505048209 = 422728^2 + 159703^2 .

It is a cyclic number.

It is not a de Polignac number, because 204204010193 - 2³⁴ = 187024141009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (204204010093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102102005096 + 102102005097.

It is an arithmetic number, because the mean of its divisors is an integer number (102102005097).

Almost surely, 2^204204010193 is an apocalyptic number.

It is an amenable number.

204204010193 is a deficient number, since it is larger than the sum of its proper divisors (1).

204204010193 is an equidigital number, since it uses as much as digits as its factorization.

204204010193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 204204010193 its reverse (391010402402), we get a palindrome (595214412595).

The spelling of 204204010193 in words is "two hundred four billion, two hundred four million, ten thousand, one hundred ninety-three".