3825384489 has 36 divisors (see below), whose sum is σ = 6075479124. Its totient is φ = 2400171264.

The previous prime is 3825384487. The next prime is 3825384509. The reversal of 3825384489 is 9844835283.

3825384489 is a `hidden beast` number, since 3 + 82 + 5 + 3 + 84 + 489 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3354147225 + 471237264 = 57915^2 + 21708^2 .

It is not a de Polignac number, because 3825384489 - 2¹ = 3825384487 is a prime.

It is a super-2 number, since 2×3825384489² = 29267132977363582242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3825384487) 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 in 35 ways as a sum of consecutive naturals, for example, 94389 + ... + 128685.

It is an arithmetic number, because the mean of its divisors is an integer number (168763309).

Almost surely, 2^3825384489 is an apocalyptic number.

It is an amenable number.

3825384489 is a deficient number, since it is larger than the sum of its proper divisors (2250094635).

3825384489 is an frugal number, since it uses more digits than its factorization.

3825384489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34338 (or 34317 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The square root of 3825384489 is about 61849.6927154857. The cubic root of 3825384489 is about 1563.9578016896.

The spelling of 3825384489 in words is "three billion, eight hundred twenty-five million, three hundred eighty-four thousand, four hundred eighty-nine".