4638973808 has 40 divisors (see below), whose sum is σ = 10275211392. Its totient is φ = 1987512768.

The previous prime is 4638973793. The next prime is 4638973813. The reversal of 4638973808 is 8083798364.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676091 + ... + 682917.

Almost surely, 2^4638973808 is an apocalyptic number.

It is an amenable number.

4638973808 is an abundant number, since it is smaller than the sum of its proper divisors (5636237584).

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

4638973808 is a wasteful number, since it uses less digits than its factorization.

4638973808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12909 (or 12903 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 56.

The square root of 4638973808 is about 68110.0125385394. The cubic root of 4638973808 is about 1667.7872145258.

The spelling of 4638973808 in words is "four billion, six hundred thirty-eight million, nine hundred seventy-three thousand, eight hundred eight".