3861834643 has 4 divisors (see below), whose sum is σ = 3883170928. Its totient is φ = 3840498360.

The previous prime is 3861834629. The next prime is 3861834653. The reversal of 3861834643 is 3464381683.

3861834643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3861834643 - 2⁵ = 3861834611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3861834593 and 3861834602.

It is not an unprimeable number, because it can be changed into a prime (3861834653) 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 3 ways as a sum of consecutive naturals, for example, 10667871 + ... + 10668232.

It is an arithmetic number, because the mean of its divisors is an integer number (970792732).

Almost surely, 2^3861834643 is an apocalyptic number.

3861834643 is a deficient number, since it is larger than the sum of its proper divisors (21336285).

3861834643 is a wasteful number, since it uses less digits than its factorization.

3861834643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21336284.

The product of its digits is 995328, while the sum is 46.

The square root of 3861834643 is about 62143.6613259953. The cubic root of 3861834643 is about 1568.9094950654.

The spelling of 3861834643 in words is "three billion, eight hundred sixty-one million, eight hundred thirty-four thousand, six hundred forty-three".