204091615241 has 2 divisors, whose sum is σ = 204091615242. Its totient is φ = 204091615240.

The previous prime is 204091615171. The next prime is 204091615249. The reversal of 204091615241 is 142516190402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204091615225 + 16 = 451765^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 204091615241 - 2³⁴ = 186911746057 is a prime.

It is not a weakly prime, because it can be changed into another prime (204091615249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102045807620 + 102045807621.

It is an arithmetic number, because the mean of its divisors is an integer number (102045807621).

Almost surely, 2^204091615241 is an apocalyptic number.

It is an amenable number.

204091615241 is a deficient number, since it is larger than the sum of its proper divisors (1).

204091615241 is an equidigital number, since it uses as much as digits as its factorization.

204091615241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 204091615241 in words is "two hundred four billion, ninety-one million, six hundred fifteen thousand, two hundred forty-one".