104686457009 has 2 divisors, whose sum is σ = 104686457010. Its totient is φ = 104686457008.

The previous prime is 104686457003. The next prime is 104686457023. The reversal of 104686457009 is 900754686401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74544288784 + 30142168225 = 273028^2 + 173615^2 .

It is a cyclic number.

It is not a de Polignac number, because 104686457009 - 2⁸ = 104686456753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (104686457003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52343228504 + 52343228505.

It is an arithmetic number, because the mean of its divisors is an integer number (52343228505).

Almost surely, 2^104686457009 is an apocalyptic number.

It is an amenable number.

104686457009 is a deficient number, since it is larger than the sum of its proper divisors (1).

104686457009 is an equidigital number, since it uses as much as digits as its factorization.

104686457009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 104686457009 in words is "one hundred four billion, six hundred eighty-six million, four hundred fifty-seven thousand, nine".