6483988540 has 12 divisors (see below), whose sum is σ = 13616375976. Its totient is φ = 2593595408.

The previous prime is 6483988529. The next prime is 6483988559. The reversal of 6483988540 is 458893846.

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, 162099694 + ... + 162099733.

It is an arithmetic number, because the mean of its divisors is an integer number (1134697998).

Almost surely, 2^6483988540 is an apocalyptic number.

It is an amenable number.

6483988540 is an abundant number, since it is smaller than the sum of its proper divisors (7132387436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6483988540 is a wasteful number, since it uses less digits than its factorization.

6483988540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324199436 (or 324199434 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 55.

The square root of 6483988540 is about 80523.2173972203. The cubic root of 6483988540 is about 1864.7219350306.

The spelling of 6483988540 in words is "six billion, four hundred eighty-three million, nine hundred eighty-eight thousand, five hundred forty".