2104809033529 has 2 divisors, whose sum is σ = 2104809033530. Its totient is φ = 2104809033528.

The previous prime is 2104809033521. The next prime is 2104809033619. The reversal of 2104809033529 is 9253309084012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1124709033529 + 980100000000 = 1060523^2 + 990000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104809033529 - 2³ = 2104809033521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104809033521) 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, 1052404516764 + 1052404516765.

It is an arithmetic number, because the mean of its divisors is an integer number (1052404516765).

Almost surely, 2^{2104809033529} is an apocalyptic number.

It is an amenable number.

2104809033529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104809033529 is an equidigital number, since it uses as much as digits as its factorization.

2104809033529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 2104809033529 in words is "two trillion, one hundred four billion, eight hundred nine million, thirty-three thousand, five hundred twenty-nine".