5638343562 has 36 divisors (see below), whose sum is σ = 12313994706. Its totient is φ = 1864553040.

The previous prime is 5638343561. The next prime is 5638343591. The reversal of 5638343562 is 2653438365.

5638343562 is a `hidden beast` number, since 5 + 6 + 3 + 83 + 4 + 3 + 562 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3222719361 + 2415624201 = 56769^2 + 49149^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5638343561) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 280612 + ... + 300032.

Almost surely, 2^5638343562 is an apocalyptic number.

5638343562 is an abundant number, since it is smaller than the sum of its proper divisors (6675651144).

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

5638343562 is a wasteful number, since it uses less digits than its factorization.

5638343562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19683 (or 19553 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The square root of 5638343562 is about 75088.9043867335. The cubic root of 5638343562 is about 1779.8518121385.

The spelling of 5638343562 in words is "five billion, six hundred thirty-eight million, three hundred forty-three thousand, five hundred sixty-two".