5633830638 has 64 divisors (see below), whose sum is σ = 13633056000. Its totient is φ = 1717746912.

The previous prime is 5633830637. The next prime is 5633830669. The reversal of 5633830638 is 8360383365.

5633830638 is a `hidden beast` number, since 5 + 6 + 3 + 3 + 8 + 3 + 0 + 638 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5633830593 and 5633830602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5633830637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64920 + ... + 124427.

It is an arithmetic number, because the mean of its divisors is an integer number (213016500).

Almost surely, 2^5633830638 is an apocalyptic number.

5633830638 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5633830638 is an abundant number, since it is smaller than the sum of its proper divisors (7999225362).

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

5633830638 is a wasteful number, since it uses less digits than its factorization.

5633830638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189406 (or 189400 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The square root of 5633830638 is about 75058.8478328838. The cubic root of 5633830638 is about 1779.3768215762.

The spelling of 5633830638 in words is "five billion, six hundred thirty-three million, eight hundred thirty thousand, six hundred thirty-eight".