3825604849 has 6 divisors (see below), whose sum is σ = 4205003810. Its totient is φ = 3477822480.

The previous prime is 3825604847. The next prime is 3825604901. The reversal of 3825604849 is 9484065283.

It can be written as a sum of positive squares in only one way, i.e., 2146654224 + 1678950625 = 46332^2 + 40975^2 .

It is not a de Polignac number, because 3825604849 - 2¹ = 3825604847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3825604847) 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 5 ways as a sum of consecutive naturals, for example, 15808164 + ... + 15808405.

Almost surely, 2^3825604849 is an apocalyptic number.

It is an amenable number.

3825604849 is a deficient number, since it is larger than the sum of its proper divisors (379398961).

3825604849 is a wasteful number, since it uses less digits than its factorization.

3825604849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31616591 (or 31616580 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The square root of 3825604849 is about 61851.4741053113. The cubic root of 3825604849 is about 1563.9878315358.

The spelling of 3825604849 in words is "three billion, eight hundred twenty-five million, six hundred four thousand, eight hundred forty-nine".