3159381943 has 4 divisors (see below), whose sum is σ = 3162196408. Its totient is φ = 3156567480.

The previous prime is 3159381941. The next prime is 3159382007. The reversal of 3159381943 is 3491839513.

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 3159381943 - 2¹ = 3159381941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3159381893 and 3159381902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3159381941) 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, 1405548 + ... + 1407793.

It is an arithmetic number, because the mean of its divisors is an integer number (790549102).

Almost surely, 2^3159381943 is an apocalyptic number.

3159381943 is a deficient number, since it is larger than the sum of its proper divisors (2814465).

3159381943 is a wasteful number, since it uses less digits than its factorization.

3159381943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814464.

The product of its digits is 349920, while the sum is 46.

The square root of 3159381943 is about 56208.3796510805. The cubic root of 3159381943 is about 1467.3511065171.

The spelling of 3159381943 in words is "three billion, one hundred fifty-nine million, three hundred eighty-one thousand, nine hundred forty-three".