6489732448989 has 48 divisors (see below), whose sum is σ = 9786343275072. Its totient is φ = 4140596081664.

The previous prime is 6489732448973. The next prime is 6489732449069. The reversal of 6489732448989 is 9898442379846.

6489732448989 is a `hidden beast` number, since 6 + 4 + 8 + 97 + 3 + 2 + 448 + 9 + 89 = 666.

It is not a de Polignac number, because 6489732448989 - 2⁴ = 6489732448973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489732448919) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4648762 + ... + 5881364.

It is an arithmetic number, because the mean of its divisors is an integer number (203882151564).

Almost surely, 2^{6489732448989} is an apocalyptic number.

It is an amenable number.

6489732448989 is a deficient number, since it is larger than the sum of its proper divisors (3296610826083).

6489732448989 is a wasteful number, since it uses less digits than its factorization.

6489732448989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232906 (or 1232903 counting only the distinct ones).

The product of its digits is 6019743744, while the sum is 81.

The spelling of 6489732448989 in words is "six trillion, four hundred eighty-nine billion, seven hundred thirty-two million, four hundred forty-eight thousand, nine hundred eighty-nine".