3812135843 has 16 divisors (see below), whose sum is σ = 3957206400. Its totient is φ = 3669726720.

The previous prime is 3812135839. The next prime is 3812135857. The reversal of 3812135843 is 3485312183.

3812135843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3812135843 - 2² = 3812135839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3812135797 and 3812135806.

It is not an unprimeable number, because it can be changed into a prime (3812135893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2622905 + ... + 2624357.

It is an arithmetic number, because the mean of its divisors is an integer number (247325400).

Almost surely, 2^3812135843 is an apocalyptic number.

3812135843 is a deficient number, since it is larger than the sum of its proper divisors (145070557).

3812135843 is a wasteful number, since it uses less digits than its factorization.

3812135843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302.

The product of its digits is 69120, while the sum is 38.

The square root of 3812135843 is about 61742.4962485321. The cubic root of 3812135843 is about 1562.1502021273.

The spelling of 3812135843 in words is "three billion, eight hundred twelve million, one hundred thirty-five thousand, eight hundred forty-three".