3831149443 has 4 divisors (see below), whose sum is σ = 4179435768. Its totient is φ = 3482863120.

The previous prime is 3831149431. The next prime is 3831149479. The reversal of 3831149443 is 3449411383.

3831149443 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 3449411383 = 11 ⋅313582853.

It is not a de Polignac number, because 3831149443 - 2⁹ = 3831148931 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3831149396 and 3831149405.

It is not an unprimeable number, because it can be changed into a prime (3831149743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174143146 + ... + 174143167.

It is an arithmetic number, because the mean of its divisors is an integer number (1044858942).

Almost surely, 2^3831149443 is an apocalyptic number.

3831149443 is a deficient number, since it is larger than the sum of its proper divisors (348286325).

3831149443 is a wasteful number, since it uses less digits than its factorization.

3831149443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348286324.

The product of its digits is 124416, while the sum is 40.

The square root of 3831149443 is about 61896.2797185744. The cubic root of 3831149443 is about 1564.7430490645.

The spelling of 3831149443 in words is "three billion, eight hundred thirty-one million, one hundred forty-nine thousand, four hundred forty-three".