204034404130009 has 2 divisors, whose sum is σ = 204034404130010. Its totient is φ = 204034404130008.

The previous prime is 204034404129989. The next prime is 204034404130021. The reversal of 204034404130009 is 900031404430402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189023452016400 + 15010952113609 = 13748580^2 + 3874397^2 .

It is a cyclic number.

It is not a de Polignac number, because 204034404130009 - 2¹³ = 204034404121817 is a prime.

It is not a weakly prime, because it can be changed into another prime (204034404130709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102017202065004 + 102017202065005.

It is an arithmetic number, because the mean of its divisors is an integer number (102017202065005).

Almost surely, 2^{204034404130009} is an apocalyptic number.

It is an amenable number.

204034404130009 is a deficient number, since it is larger than the sum of its proper divisors (1).

204034404130009 is an equidigital number, since it uses as much as digits as its factorization.

204034404130009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 204034404130009 in words is "two hundred four trillion, thirty-four billion, four hundred four million, one hundred thirty thousand, nine".