2805109234193 has 16 divisors (see below), whose sum is σ = 3216150545280. Its totient is φ = 2396646717696.

The previous prime is 2805109234177. The next prime is 2805109234273. The reversal of 2805109234193 is 3914329015082.

It is not a de Polignac number, because 2805109234193 - 2⁴ = 2805109234177 is a prime.

It is a super-2 number, since 2×2805109234193² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2805109234153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50993978 + ... + 51048956.

It is an arithmetic number, because the mean of its divisors is an integer number (201009409080).

Almost surely, 2^{2805109234193} is an apocalyptic number.

It is an amenable number.

2805109234193 is a deficient number, since it is larger than the sum of its proper divisors (411041311087).

2805109234193 is a wasteful number, since it uses less digits than its factorization.

2805109234193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78296.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 2805109234193 in words is "two trillion, eight hundred five billion, one hundred nine million, two hundred thirty-four thousand, one hundred ninety-three".