104506084492489 has 2 divisors, whose sum is σ = 104506084492490. Its totient is φ = 104506084492488.

The previous prime is 104506084492487. The next prime is 104506084492519. The reversal of 104506084492489 is 984294480605401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64324329860025 + 40181754632464 = 8020245^2 + 6338908^2 .

It is a cyclic number.

It is not a de Polignac number, because 104506084492489 - 2¹ = 104506084492487 is a prime.

Together with 104506084492487, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 104506084492489.

It is not a weakly prime, because it can be changed into another prime (104506084492487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52253042246244 + 52253042246245.

It is an arithmetic number, because the mean of its divisors is an integer number (52253042246245).

Almost surely, 2^{104506084492489} is an apocalyptic number.

It is an amenable number.

104506084492489 is a deficient number, since it is larger than the sum of its proper divisors (1).

104506084492489 is an equidigital number, since it uses as much as digits as its factorization.

104506084492489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79626240, while the sum is 64.

The spelling of 104506084492489 in words is "one hundred four trillion, five hundred six billion, eighty-four million, four hundred ninety-two thousand, four hundred eighty-nine".