204114513656129 has 2 divisors, whose sum is σ = 204114513656130. Its totient is φ = 204114513656128.

The previous prime is 204114513656063. The next prime is 204114513656147. The reversal of 204114513656129 is 921656315411402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138273493050625 + 65841020605504 = 11758975^2 + 8114248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204114513656129 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 (204114513656159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102057256828064 + 102057256828065.

It is an arithmetic number, because the mean of its divisors is an integer number (102057256828065).

Almost surely, 2^{204114513656129} is an apocalyptic number.

It is an amenable number.

204114513656129 is a deficient number, since it is larger than the sum of its proper divisors (1).

204114513656129 is an equidigital number, since it uses as much as digits as its factorization.

204114513656129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 204114513656129 in words is "two hundred four trillion, one hundred fourteen billion, five hundred thirteen million, six hundred fifty-six thousand, one hundred twenty-nine".