4689664497 has 24 divisors (see below), whose sum is σ = 7784936640. Its totient is φ = 2664830880.

The previous prime is 4689664487. The next prime is 4689664517. The reversal of 4689664497 is 7944669864.

4689664497 is a `hidden beast` number, since 4 + 6 + 89 + 6 + 64 + 497 = 666.

4689664497 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4689664497 - 2⁴ = 4689664481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (4689664457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196654 + ... + 219207.

It is an arithmetic number, because the mean of its divisors is an integer number (324372360).

Almost surely, 2^4689664497 is an apocalyptic number.

It is an amenable number.

4689664497 is a deficient number, since it is larger than the sum of its proper divisors (3095272143).

4689664497 is a wasteful number, since it uses less digits than its factorization.

4689664497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416053 (or 416050 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The square root of 4689664497 is about 68481.1251148811. The cubic root of 4689664497 is about 1673.8399330084.

The spelling of 4689664497 in words is "four billion, six hundred eighty-nine million, six hundred sixty-four thousand, four hundred ninety-seven".