3905000069 has 2 divisors, whose sum is σ = 3905000070. Its totient is φ = 3905000068.

The previous prime is 3905000063. The next prime is 3905000093. The reversal of 3905000069 is 9600005093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2744712100 + 1160287969 = 52390^2 + 34063^2 .

It is a cyclic number.

It is not a de Polignac number, because 3905000069 - 2¹² = 3904995973 is a prime.

It is a super-2 number, since 2×3905000069² = 30498051077780009522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3904999999 and 3905000044.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3905000063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1952500034 + 1952500035.

It is an arithmetic number, because the mean of its divisors is an integer number (1952500035).

Almost surely, 2^3905000069 is an apocalyptic number.

It is an amenable number.

3905000069 is a deficient number, since it is larger than the sum of its proper divisors (1).

3905000069 is an equidigital number, since it uses as much as digits as its factorization.

3905000069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 3905000069 is about 62489.9997519603. Note that the first 3 decimals coincide. The cubic root of 3905000069 is about 1574.7333142482.

The spelling of 3905000069 in words is "three billion, nine hundred five million, sixty-nine", and thus it is an aban number.