6343639132 has 12 divisors (see below), whose sum is σ = 11102031360. Its totient is φ = 3171630176.

The previous prime is 6343639123. The next prime is 6343639153. The reversal of 6343639132 is 2319363436.

It is a congruent number.

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, 50469 + ... + 123427.

It is an arithmetic number, because the mean of its divisors is an integer number (925169280).

Almost surely, 2^6343639132 is an apocalyptic number.

It is an amenable number.

6343639132 is a deficient number, since it is larger than the sum of its proper divisors (4758392228).

6343639132 is a wasteful number, since it uses less digits than its factorization.

6343639132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94700 (or 94698 counting only the distinct ones).

The product of its digits is 209952, while the sum is 40.

The square root of 6343639132 is about 79646.9656170277. The cubic root of 6343639132 is about 1851.1693733764.

The spelling of 6343639132 in words is "six billion, three hundred forty-three million, six hundred thirty-nine thousand, one hundred thirty-two".