6689386485 has 16 divisors (see below), whose sum is σ = 11892242880. Its totient is φ = 3567672720.

The previous prime is 6689386477. The next prime is 6689386507. The reversal of 6689386485 is 5846839866.

6689386485 is a `hidden beast` number, since 6 + 68 + 93 + 8 + 6 + 485 = 666.

It is not a de Polignac number, because 6689386485 - 2³ = 6689386477 is a prime.

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, 24775371 + ... + 24775640.

It is an arithmetic number, because the mean of its divisors is an integer number (743265180).

Almost surely, 2^6689386485 is an apocalyptic number.

It is an amenable number.

6689386485 is a deficient number, since it is larger than the sum of its proper divisors (5202856395).

6689386485 is a wasteful number, since it uses less digits than its factorization.

6689386485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49551025 (or 49551019 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The square root of 6689386485 is about 81788.6696615124. The cubic root of 6689386485 is about 1884.2076503446.

The spelling of 6689386485 in words is "six billion, six hundred eighty-nine million, three hundred eighty-six thousand, four hundred eighty-five".