2104379169169 has 2 divisors, whose sum is σ = 2104379169170. Its totient is φ = 2104379169168.

The previous prime is 2104379169143. The next prime is 2104379169203. The reversal of 2104379169169 is 9619619734012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1959818004225 + 144561164944 = 1399935^2 + 380212^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104379169169 - 2⁷ = 2104379169041 is a prime.

It is a super-2 number, since 2×2104379169169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2104379109169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052189584584 + 1052189584585.

It is an arithmetic number, because the mean of its divisors is an integer number (1052189584585).

Almost surely, 2^{2104379169169} is an apocalyptic number.

It is an amenable number.

2104379169169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104379169169 is an equidigital number, since it uses as much as digits as its factorization.

2104379169169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The spelling of 2104379169169 in words is "two trillion, one hundred four billion, three hundred seventy-nine million, one hundred sixty-nine thousand, one hundred sixty-nine".