4169113082785 has 12 divisors (see below), whose sum is σ = 5819741528148. Its totient is φ = 2858820399456.

The previous prime is 4169113082749. The next prime is 4169113082789. The reversal of 4169113082785 is 5872803119614.

It can be written as a sum of positive squares in 2 ways, for example, as 3160711509921 + 1008401572864 = 1777839^2 + 1004192^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4169113082785 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4169113082789) 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 in 11 ways as a sum of consecutive naturals, for example, 8508393802 + ... + 8508394291.

It is an arithmetic number, because the mean of its divisors is an integer number (484978460679).

It is a 1-persistent number, because it is pandigital, but 2⋅4169113082785 = 8338226165570 is not.

Almost surely, 2^{4169113082785} is an apocalyptic number.

It is an amenable number.

4169113082785 is a deficient number, since it is larger than the sum of its proper divisors (1650628445363).

4169113082785 is a wasteful number, since it uses less digits than its factorization.

4169113082785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17016788112 (or 17016788105 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 4169113082785 in words is "four trillion, one hundred sixty-nine billion, one hundred thirteen million, eighty-two thousand, seven hundred eighty-five".