6489447132 has 48 divisors (see below), whose sum is σ = 17393080320. Its totient is φ = 1844711232.

The previous prime is 6489447109. The next prime is 6489447157. The reversal of 6489447132 is 2317449846.

It is a super-2 number, since 2×6489447132² = 84225848158046050848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179532 + ... + 212627.

It is an arithmetic number, because the mean of its divisors is an integer number (362355840).

Almost surely, 2^6489447132 is an apocalyptic number.

It is an amenable number.

6489447132 is an abundant number, since it is smaller than the sum of its proper divisors (10903633188).

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

6489447132 is a wasteful number, since it uses less digits than its factorization.

6489447132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392370 (or 392368 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 6489447132 is about 80557.1047890873. The cubic root of 6489447132 is about 1865.2450647450.

The spelling of 6489447132 in words is "six billion, four hundred eighty-nine million, four hundred forty-seven thousand, one hundred thirty-two".