4639132918 has 48 divisors (see below), whose sum is σ = 8226820944. Its totient is φ = 1955923200.

The previous prime is 4639132859. The next prime is 4639132931. The reversal of 4639132918 is 8192319364.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4413493 + ... + 4414543.

It is an arithmetic number, because the mean of its divisors is an integer number (171392103).

Almost surely, 2^4639132918 is an apocalyptic number.

4639132918 is a deficient number, since it is larger than the sum of its proper divisors (3587688026).

4639132918 is a wasteful number, since it uses less digits than its factorization.

4639132918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757 (or 1750 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 4639132918 is about 68111.1805653081. The cubic root of 4639132918 is about 1667.8062818598.

The spelling of 4639132918 in words is "four billion, six hundred thirty-nine million, one hundred thirty-two thousand, nine hundred eighteen".