6143938988 has 12 divisors (see below), whose sum is σ = 11729338152. Its totient is φ = 2792699520.

The previous prime is 6143938961. The next prime is 6143938993. The reversal of 6143938988 is 8898393416.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69817445 + ... + 69817532.

It is an arithmetic number, because the mean of its divisors is an integer number (977444846).

Almost surely, 2^6143938988 is an apocalyptic number.

It is an amenable number.

6143938988 is a deficient number, since it is larger than the sum of its proper divisors (5585399164).

6143938988 is a wasteful number, since it uses less digits than its factorization.

6143938988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139634992 (or 139634990 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 59.

The square root of 6143938988 is about 78383.2825798971. The cubic root of 6143938988 is about 1831.5367254519.

The spelling of 6143938988 in words is "six billion, one hundred forty-three million, nine hundred thirty-eight thousand, nine hundred eighty-eight".