204410010143321 has 2 divisors, whose sum is σ = 204410010143322. Its totient is φ = 204410010143320.

The previous prime is 204410010143263. The next prime is 204410010143347. The reversal of 204410010143321 is 123341010014402.

It is an a-pointer prime, because the next prime (204410010143347) can be obtained adding 204410010143321 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123236397213721 + 81173612929600 = 11101189^2 + 9009640^2 .

It is a cyclic number.

It is not a de Polignac number, because 204410010143321 - 2¹⁰ = 204410010142297 is a prime.

It is not a weakly prime, because it can be changed into another prime (204410010143021) 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, 102205005071660 + 102205005071661.

It is an arithmetic number, because the mean of its divisors is an integer number (102205005071661).

Almost surely, 2^{204410010143321} is an apocalyptic number.

It is an amenable number.

204410010143321 is a deficient number, since it is larger than the sum of its proper divisors (1).

204410010143321 is an equidigital number, since it uses as much as digits as its factorization.

204410010143321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 204410010143321 its reverse (123341010014402), we get a palindrome (327751020157723).

The spelling of 204410010143321 in words is "two hundred four trillion, four hundred ten billion, ten million, one hundred forty-three thousand, three hundred twenty-one".