104531403209 has 2 divisors, whose sum is σ = 104531403210. Its totient is φ = 104531403208.

The previous prime is 104531403187. The next prime is 104531403217. The reversal of 104531403209 is 902304135401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53163447184 + 51367956025 = 230572^2 + 226645^2 .

It is a cyclic number.

It is not a de Polignac number, because 104531403209 - 2³² = 100236435913 is a prime.

It is not a weakly prime, because it can be changed into another prime (104531403259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52265701604 + 52265701605.

It is an arithmetic number, because the mean of its divisors is an integer number (52265701605).

Almost surely, 2^104531403209 is an apocalyptic number.

It is an amenable number.

104531403209 is a deficient number, since it is larger than the sum of its proper divisors (1).

104531403209 is an equidigital number, since it uses as much as digits as its factorization.

104531403209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 104531403209 in words is "one hundred four billion, five hundred thirty-one million, four hundred three thousand, two hundred nine".