3600749812169 has 2 divisors, whose sum is σ = 3600749812170. Its totient is φ = 3600749812168.

The previous prime is 3600749812091. The next prime is 3600749812181. The reversal of 3600749812169 is 9612189470063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2400655854025 + 1200093958144 = 1549405^2 + 1095488^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3600749812169 is a prime.

It is a super-2 number, since 2×3600749812169² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3600749812069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1800374906084 + 1800374906085.

It is an arithmetic number, because the mean of its divisors is an integer number (1800374906085).

Almost surely, 2^{3600749812169} is an apocalyptic number.

It is an amenable number.

3600749812169 is a deficient number, since it is larger than the sum of its proper divisors (1).

3600749812169 is an equidigital number, since it uses as much as digits as its factorization.

3600749812169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 3600749812169 in words is "three trillion, six hundred billion, seven hundred forty-nine million, eight hundred twelve thousand, one hundred sixty-nine".