4689432018 has 24 divisors (see below), whose sum is σ = 10163224656. Its totient is φ = 1562715000.

The previous prime is 4689431993. The next prime is 4689432029. The reversal of 4689432018 is 8102349864.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35493 + ... + 103143.

It is an arithmetic number, because the mean of its divisors is an integer number (423467694).

Almost surely, 2^4689432018 is an apocalyptic number.

4689432018 is an abundant number, since it is smaller than the sum of its proper divisors (5473792638).

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

4689432018 is a wasteful number, since it uses less digits than its factorization.

4689432018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71510 (or 71507 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 4689432018 is about 68479.4276991273. The cubic root of 4689432018 is about 1673.8122736691.

The spelling of 4689432018 in words is "four billion, six hundred eighty-nine million, four hundred thirty-two thousand, eighteen".