2943381439 has 16 divisors (see below), whose sum is σ = 3067683840. Its totient is φ = 2821996960.

The previous prime is 2943381407. The next prime is 2943381449. The reversal of 2943381439 is 9341833492.

It is a cyclic number.

It is not a de Polignac number, because 2943381439 - 2⁵ = 2943381407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943381449) 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, 860697 + ... + 864109.

It is an arithmetic number, because the mean of its divisors is an integer number (191730240).

Almost surely, 2^2943381439 is an apocalyptic number.

2943381439 is a deficient number, since it is larger than the sum of its proper divisors (124302401).

2943381439 is a wasteful number, since it uses less digits than its factorization.

2943381439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830.

The product of its digits is 559872, while the sum is 46.

The square root of 2943381439 is about 54252.9394503192. The cubic root of 2943381439 is about 1433.1187639446.

The spelling of 2943381439 in words is "two billion, nine hundred forty-three million, three hundred eighty-one thousand, four hundred thirty-nine".