5645614338 has 144 divisors (see below), whose sum is σ = 15462510336. Its totient is φ = 1457015040.

The previous prime is 5645614333. The next prime is 5645614363. The reversal of 5645614338 is 8334165465.

5645614338 is a `hidden beast` number, since 56 + 4 + 561 + 4 + 3 + 38 = 666.

It is a super-2 number, since 2×5645614338² = 63745922506862356488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5645614293 and 5645614302.

It is not an unprimeable number, because it can be changed into a prime (5645614333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 997998 + ... + 1003638.

It is an arithmetic number, because the mean of its divisors is an integer number (107378544).

Almost surely, 2^5645614338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5645614338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7731255168).

5645614338 is an abundant number, since it is smaller than the sum of its proper divisors (9816895998).

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

5645614338 is a wasteful number, since it uses less digits than its factorization.

5645614338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729 (or 5713 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 5645614338 is about 75137.3032388041. The cubic root of 5645614338 is about 1780.6165370467.

The spelling of 5645614338 in words is "five billion, six hundred forty-five million, six hundred fourteen thousand, three hundred thirty-eight".