104485645813 has 2 divisors, whose sum is σ = 104485645814. Its totient is φ = 104485645812.

The previous prime is 104485645799. The next prime is 104485645889. The reversal of 104485645813 is 318546584401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90901044004 + 13584601809 = 301498^2 + 116553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104485645813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104485645213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52242822906 + 52242822907.

It is an arithmetic number, because the mean of its divisors is an integer number (52242822907).

Almost surely, 2^104485645813 is an apocalyptic number.

It is an amenable number.

104485645813 is a deficient number, since it is larger than the sum of its proper divisors (1).

104485645813 is an equidigital number, since it uses as much as digits as its factorization.

104485645813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 104485645813 in words is "one hundred four billion, four hundred eighty-five million, six hundred forty-five thousand, eight hundred thirteen".