6689354732 has 6 divisors (see below), whose sum is σ = 11706370788. Its totient is φ = 3344677364.

The previous prime is 6689354731. The next prime is 6689354779. The reversal of 6689354732 is 2374539866.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6689354731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836169338 + ... + 836169345.

It is an arithmetic number, because the mean of its divisors is an integer number (1951061798).

Almost surely, 2^6689354732 is an apocalyptic number.

It is an amenable number.

6689354732 is a deficient number, since it is larger than the sum of its proper divisors (5017016056).

6689354732 is a wasteful number, since it uses less digits than its factorization.

6689354732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672338687 (or 1672338685 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 53.

The square root of 6689354732 is about 81788.4755451524. The cubic root of 6689354732 is about 1884.2046690378.

The spelling of 6689354732 in words is "six billion, six hundred eighty-nine million, three hundred fifty-four thousand, seven hundred thirty-two".