3243681873 has 24 divisors (see below), whose sum is σ = 4732728000. Its totient is φ = 2140673184.

The previous prime is 3243681863. The next prime is 3243681877. The reversal of 3243681873 is 3781863423.

3243681873 is a `hidden beast` number, since 32 + 436 + 8 + 187 + 3 = 666.

It is not a de Polignac number, because 3243681873 - 2⁶ = 3243681809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3243681877) 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 23 ways as a sum of consecutive naturals, for example, 407748 + ... + 415626.

It is an arithmetic number, because the mean of its divisors is an integer number (197197000).

Almost surely, 2^3243681873 is an apocalyptic number.

It is an amenable number.

3243681873 is a deficient number, since it is larger than the sum of its proper divisors (1489046127).

3243681873 is a wasteful number, since it uses less digits than its factorization.

3243681873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8341 (or 8338 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 3243681873 is about 56953.3306576534. The cubic root of 3243681873 is about 1480.2875435037.

The spelling of 3243681873 in words is "three billion, two hundred forty-three million, six hundred eighty-one thousand, eight hundred seventy-three".