3832642809 has 48 divisors (see below), whose sum is σ = 6105176064. Its totient is φ = 2306304000.

The previous prime is 3832642787. The next prime is 3832642823. The reversal of 3832642809 is 9082462383.

3832642809 is a `hidden beast` number, since 383 + 264 + 2 + 8 + 0 + 9 = 666.

It is not a de Polignac number, because 3832642809 - 2⁸ = 3832642553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3832642109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 532384 + ... + 539534.

It is an arithmetic number, because the mean of its divisors is an integer number (127191168).

Almost surely, 2^3832642809 is an apocalyptic number.

It is an amenable number.

3832642809 is a deficient number, since it is larger than the sum of its proper divisors (2272533255).

3832642809 is a wasteful number, since it uses less digits than its factorization.

3832642809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7318 (or 7315 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 3832642809 is about 61908.3419984738. The cubic root of 3832642809 is about 1564.9463327485.

The spelling of 3832642809 in words is "three billion, eight hundred thirty-two million, six hundred forty-two thousand, eight hundred nine".