104509837813 has 2 divisors, whose sum is σ = 104509837814. Its totient is φ = 104509837812.

The previous prime is 104509837799. The next prime is 104509837847. The reversal of 104509837813 is 318738905401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102529320804 + 1980517009 = 320202^2 + 44503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104509837813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104509837853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52254918906 + 52254918907.

It is an arithmetic number, because the mean of its divisors is an integer number (52254918907).

Almost surely, 2^104509837813 is an apocalyptic number.

It is an amenable number.

104509837813 is a deficient number, since it is larger than the sum of its proper divisors (1).

104509837813 is an equidigital number, since it uses as much as digits as its factorization.

104509837813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 104509837813 in words is "one hundred four billion, five hundred nine million, eight hundred thirty-seven thousand, eight hundred thirteen".