104184408509 has 2 divisors, whose sum is σ = 104184408510. Its totient is φ = 104184408508.

The previous prime is 104184408491. The next prime is 104184408533. The reversal of 104184408509 is 905804481401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104020440484 + 163968025 = 322522^2 + 12805^2 .

It is a cyclic number.

It is not a de Polignac number, because 104184408509 - 2³² = 99889441213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104184408509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104184308509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52092204254 + 52092204255.

It is an arithmetic number, because the mean of its divisors is an integer number (52092204255).

Almost surely, 2^104184408509 is an apocalyptic number.

It is an amenable number.

104184408509 is a deficient number, since it is larger than the sum of its proper divisors (1).

104184408509 is an equidigital number, since it uses as much as digits as its factorization.

104184408509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 104184408509 in words is "one hundred four billion, one hundred eighty-four million, four hundred eight thousand, five hundred nine".