205676510441 has 2 divisors, whose sum is σ = 205676510442. Its totient is φ = 205676510440.

The previous prime is 205676510419. The next prime is 205676510477. The reversal of 205676510441 is 144015676502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154131619216 + 51544891225 = 392596^2 + 227035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205676510441 is a prime.

It is not a weakly prime, because it can be changed into another prime (205676510141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102838255220 + 102838255221.

It is an arithmetic number, because the mean of its divisors is an integer number (102838255221).

Almost surely, 2^205676510441 is an apocalyptic number.

It is an amenable number.

205676510441 is a deficient number, since it is larger than the sum of its proper divisors (1).

205676510441 is an equidigital number, since it uses as much as digits as its factorization.

205676510441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 205676510441 in words is "two hundred five billion, six hundred seventy-six million, five hundred ten thousand, four hundred forty-one".