6689573475 has 72 divisors (see below), whose sum is σ = 12102006672. Its totient is φ = 3258777600.

The previous prime is 6689573417. The next prime is 6689573477. The reversal of 6689573475 is 5743759866.

It is not a de Polignac number, because 6689573475 - 2¹⁰ = 6689572451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6689573477) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1226755 + ... + 1232195.

It is an arithmetic number, because the mean of its divisors is an integer number (168083426).

Almost surely, 2^6689573475 is an apocalyptic number.

6689573475 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6689573475 is a deficient number, since it is larger than the sum of its proper divisors (5412433197).

6689573475 is a wasteful number, since it uses less digits than its factorization.

6689573475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577 (or 5559 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 60.

The square root of 6689573475 is about 81789.8127825220. The cubic root of 6689573475 is about 1884.2252067481.

The spelling of 6689573475 in words is "six billion, six hundred eighty-nine million, five hundred seventy-three thousand, four hundred seventy-five".