3985322449 has 2 divisors, whose sum is σ = 3985322450. Its totient is φ = 3985322448.

The previous prime is 3985322443. The next prime is 3985322483. The reversal of 3985322449 is 9442235893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2742407424 + 1242915025 = 52368^2 + 35255^2 .

It is a cyclic number.

It is not a de Polignac number, because 3985322449 - 2³ = 3985322441 is a prime.

It is not a weakly prime, because it can be changed into another prime (3985322441) 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, 1992661224 + 1992661225.

It is an arithmetic number, because the mean of its divisors is an integer number (1992661225).

Almost surely, 2^3985322449 is an apocalyptic number.

It is an amenable number.

3985322449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3985322449 is an equidigital number, since it uses as much as digits as its factorization.

3985322449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 49.

The square root of 3985322449 is about 63129.4103330611. The cubic root of 3985322449 is about 1585.4570756333.

The spelling of 3985322449 in words is "three billion, nine hundred eighty-five million, three hundred twenty-two thousand, four hundred forty-nine".