4638875892 has 96 divisors (see below), whose sum is σ = 12569088000. Its totient is φ = 1304214912.

The previous prime is 4638875863. The next prime is 4638875909. The reversal of 4638875892 is 2985788364.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2314963 + ... + 2316965.

It is an arithmetic number, because the mean of its divisors is an integer number (130928000).

Almost surely, 2^4638875892 is an apocalyptic number.

4638875892 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4638875892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6284544000).

4638875892 is an abundant number, since it is smaller than the sum of its proper divisors (7930212108).

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

4638875892 is a wasteful number, since it uses less digits than its factorization.

4638875892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445 (or 2443 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 60.

The square root of 4638875892 is about 68109.2937270678. The cubic root of 4638875892 is about 1667.7754803069.

The spelling of 4638875892 in words is "four billion, six hundred thirty-eight million, eight hundred seventy-five thousand, eight hundred ninety-two".