204624505610117 has 2 divisors, whose sum is σ = 204624505610118. Its totient is φ = 204624505610116.

The previous prime is 204624505610051. The next prime is 204624505610131. The reversal of 204624505610117 is 711016505426402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142935199713601 + 61689305896516 = 11955551^2 + 7854254^2 .

It is a cyclic number.

It is not a de Polignac number, because 204624505610117 - 2¹² = 204624505606021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204624505610197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102312252805058 + 102312252805059.

It is an arithmetic number, because the mean of its divisors is an integer number (102312252805059).

Almost surely, 2^{204624505610117} is an apocalyptic number.

It is an amenable number.

204624505610117 is a deficient number, since it is larger than the sum of its proper divisors (1).

204624505610117 is an equidigital number, since it uses as much as digits as its factorization.

204624505610117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 204624505610117 in words is "two hundred four trillion, six hundred twenty-four billion, five hundred five million, six hundred ten thousand, one hundred seventeen".