5643630459 has 6 divisors (see below), whose sum is σ = 8151910676. Its totient is φ = 3762420300.

The previous prime is 5643630407. The next prime is 5643630479. The reversal of 5643630459 is 9540363465.

5643630459 is a `hidden beast` number, since 5 + 6 + 4 + 3 + 630 + 4 + 5 + 9 = 666.

It is not a de Polignac number, because 5643630459 - 2¹¹ = 5643628411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5643630479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313535017 + ... + 313535034.

Almost surely, 2^5643630459 is an apocalyptic number.

5643630459 is a deficient number, since it is larger than the sum of its proper divisors (2508280217).

5643630459 is a wasteful number, since it uses less digits than its factorization.

5643630459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627070057 (or 627070054 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The square root of 5643630459 is about 75124.1003872925. The cubic root of 5643630459 is about 1780.4079419967.

The spelling of 5643630459 in words is "five billion, six hundred forty-three million, six hundred thirty thousand, four hundred fifty-nine".