3149487169 has 2 divisors, whose sum is σ = 3149487170. Its totient is φ = 3149487168.

The previous prime is 3149487163. The next prime is 3149487193. The reversal of 3149487169 is 9617849413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2813241600 + 336245569 = 53040^2 + 18337^2 .

It is a cyclic number.

It is not a de Polignac number, because 3149487169 - 2³ = 3149487161 is a prime.

It is a super-2 number, since 2×3149487169² = 19838538855391269122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3149487161) 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 as a sum of consecutive naturals, namely, 1574743584 + 1574743585.

It is an arithmetic number, because the mean of its divisors is an integer number (1574743585).

Almost surely, 2^3149487169 is an apocalyptic number.

It is an amenable number.

3149487169 is a deficient number, since it is larger than the sum of its proper divisors (1).

3149487169 is an equidigital number, since it uses as much as digits as its factorization.

3149487169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 3149487169 is about 56120.2919539804. The cubic root of 3149487169 is about 1465.8176534992.

The spelling of 3149487169 in words is "three billion, one hundred forty-nine million, four hundred eighty-seven thousand, one hundred sixty-nine".