104105602109 has 2 divisors, whose sum is σ = 104105602110.
Its totient is φ = 104105602108.
The previous prime is 104105602093. The next prime is 104105602157. The reversal of 104105602109 is 901206501401.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 80232262009 + 23873340100 = 283253^2 + 154510^2
It is a cyclic number.
It is not a de Polignac number, because 104105602109 - 24 = 104105602093 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (104104602109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52052801054 + 52052801055.
It is an arithmetic number, because the mean of its divisors is an integer number (52052801055).
Almost surely, 2104105602109 is an apocalyptic number.
It is an amenable number.
104105602109 is a deficient number, since it is larger than the sum of its proper divisors (1).
104105602109 is an equidigital number, since it uses as much as digits as its factorization.
104105602109 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2160, while the sum is 29.
The spelling of 104105602109 in words is "one hundred four billion, one hundred five million, six hundred two thousand, one hundred nine".