4638117852 has 36 divisors (see below), whose sum is σ = 11729213496. Its totient is φ = 1545369120.

The previous prime is 4638117829. The next prime is 4638117863. The reversal of 4638117852 is 2587118364.

4638117852 is a `hidden beast` number, since 4 + 638 + 1 + 1 + 7 + 8 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 4638117798 and 4638117807.

It is a congruent 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, 60078 + ... + 113514.

It is an arithmetic number, because the mean of its divisors is an integer number (325811486).

Almost surely, 2^4638117852 is an apocalyptic number.

It is an amenable number.

4638117852 is an abundant number, since it is smaller than the sum of its proper divisors (7091095644).

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

4638117852 is a wasteful number, since it uses less digits than its factorization.

4638117852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55858 (or 55853 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 4638117852 is about 68103.7286203920. The cubic root of 4638117852 is about 1667.6846314731.

The spelling of 4638117852 in words is "four billion, six hundred thirty-eight million, one hundred seventeen thousand, eight hundred fifty-two".