204030545129 has 2 divisors, whose sum is σ = 204030545130. Its totient is φ = 204030545128.

The previous prime is 204030545093. The next prime is 204030545143. The reversal of 204030545129 is 921545030402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202626019600 + 1404525529 = 450140^2 + 37477^2 .

It is a cyclic number.

It is not a de Polignac number, because 204030545129 - 2¹⁶ = 204030479593 is a prime.

It is not a weakly prime, because it can be changed into another prime (204030545179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102015272564 + 102015272565.

It is an arithmetic number, because the mean of its divisors is an integer number (102015272565).

Almost surely, 2^204030545129 is an apocalyptic number.

It is an amenable number.

204030545129 is a deficient number, since it is larger than the sum of its proper divisors (1).

204030545129 is an equidigital number, since it uses as much as digits as its factorization.

204030545129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 204030545129 in words is "two hundred four billion, thirty million, five hundred forty-five thousand, one hundred twenty-nine".