5645889567 has 32 divisors (see below), whose sum is σ = 8869867200. Its totient is φ = 3537091584.

The previous prime is 5645889503. The next prime is 5645889583. The reversal of 5645889567 is 7659885465.

5645889567 is a `hidden beast` number, since 5 + 64 + 5 + 8 + 8 + 9 + 567 = 666.

It is not a de Polignac number, because 5645889567 - 2⁶ = 5645889503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645889367) 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, 301659 + ... + 319827.

It is an arithmetic number, because the mean of its divisors is an integer number (277183350).

Almost surely, 2^5645889567 is an apocalyptic number.

5645889567 is a deficient number, since it is larger than the sum of its proper divisors (3223977633).

5645889567 is a wasteful number, since it uses less digits than its factorization.

5645889567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18872 (or 18866 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 63.

The square root of 5645889567 is about 75139.1347235247. The cubic root of 5645889567 is about 1780.6454721525.

The spelling of 5645889567 in words is "five billion, six hundred forty-five million, eight hundred eighty-nine thousand, five hundred sixty-seven".