3825943816 has 16 divisors (see below), whose sum is σ = 7551205200. Its totient is φ = 1812289104.

The previous prime is 3825943811. The next prime is 3825943829. The reversal of 3825943816 is 6183495283.

It is a self number, because there is not a number n which added to its sum of digits gives 3825943816.

It is not an unprimeable number, because it can be changed into a prime (3825943811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12585190 + ... + 12585493.

It is an arithmetic number, because the mean of its divisors is an integer number (471950325).

Almost surely, 2^3825943816 is an apocalyptic number.

It is an amenable number.

3825943816 is a deficient number, since it is larger than the sum of its proper divisors (3725261384).

3825943816 is a wasteful number, since it uses less digits than its factorization.

3825943816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25170708 (or 25170704 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 3825943816 is about 61854.2142137462. The cubic root of 3825943816 is about 1564.0340224544.

The spelling of 3825943816 in words is "three billion, eight hundred twenty-five million, nine hundred forty-three thousand, eight hundred sixteen".