5643621104 has 40 divisors (see below), whose sum is σ = 12630249648. Its totient is φ = 2414382080.

The previous prime is 5643621079. The next prime is 5643621107. The reversal of 5643621104 is 4011263465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643621107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940127 + ... + 946110.

Almost surely, 2^5643621104 is an apocalyptic number.

It is an amenable number.

5643621104 is an abundant number, since it is smaller than the sum of its proper divisors (6986628544).

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

5643621104 is a wasteful number, since it uses less digits than its factorization.

5643621104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886273 (or 1886267 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 5643621104 is about 75124.0381236259. The cubic root of 5643621104 is about 1780.4069582490.

Adding to 5643621104 its reverse (4011263465), we get a palindrome (9654884569).

The spelling of 5643621104 in words is "five billion, six hundred forty-three million, six hundred twenty-one thousand, one hundred four".