6669513432 has 40 divisors (see below), whose sum is σ = 18680814900. Its totient is φ = 2223170928.

The previous prime is 6669513421. The next prime is 6669513443. The reversal of 6669513432 is 2343159666.

It is an interprime number because it is at equal distance from previous prime (6669513421) and next prime (6669513443).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5145582 + ... + 5146877.

Almost surely, 2^6669513432 is an apocalyptic number.

It is an amenable number.

6669513432 is an abundant number, since it is smaller than the sum of its proper divisors (12011301468).

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

6669513432 is a wasteful number, since it uses less digits than its factorization.

6669513432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10292477 (or 10292464 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 6669513432 is about 81667.0890383636. The cubic root of 6669513432 is about 1882.3399105144.

The spelling of 6669513432 in words is "six billion, six hundred sixty-nine million, five hundred thirteen thousand, four hundred thirty-two".