3685174169 has 2 divisors, whose sum is σ = 3685174170. Its totient is φ = 3685174168.

The previous prime is 3685174121. The next prime is 3685174223. The reversal of 3685174169 is 9614715863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2979740569 + 705433600 = 54587^2 + 26560^2 .

It is a cyclic number.

It is not a de Polignac number, because 3685174169 - 2⁸ = 3685173913 is a prime.

It is a super-2 number, since 2×3685174169² = 27161017311729681122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3685174109) 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, 1842587084 + 1842587085.

It is an arithmetic number, because the mean of its divisors is an integer number (1842587085).

Almost surely, 2^3685174169 is an apocalyptic number.

It is an amenable number.

3685174169 is a deficient number, since it is larger than the sum of its proper divisors (1).

3685174169 is an equidigital number, since it uses as much as digits as its factorization.

3685174169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The square root of 3685174169 is about 60705.6353973830. The cubic root of 3685174169 is about 1544.6117685479.

The spelling of 3685174169 in words is "three billion, six hundred eighty-five million, one hundred seventy-four thousand, one hundred sixty-nine".