6143884939 has 4 divisors (see below), whose sum is σ = 6144728080. Its totient is φ = 6143041800.

The previous prime is 6143884909. The next prime is 6143884951. The reversal of 6143884939 is 9394883416.

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 6143884939 - 2⁵ = 6143884907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6143884939.

It is not an unprimeable number, because it can be changed into a prime (6143884909) 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, 410544 + ... + 425245.

It is an arithmetic number, because the mean of its divisors is an integer number (1536182020).

Almost surely, 2^6143884939 is an apocalyptic number.

6143884939 is a deficient number, since it is larger than the sum of its proper divisors (843141).

6143884939 is an equidigital number, since it uses as much as digits as its factorization.

6143884939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843140.

The product of its digits is 4478976, while the sum is 55.

The square root of 6143884939 is about 78382.9378053668. The cubic root of 6143884939 is about 1831.5313546836.

The spelling of 6143884939 in words is "six billion, one hundred forty-three million, eight hundred eighty-four thousand, nine hundred thirty-nine".