5643682605 has 144 divisors (see below), whose sum is σ = 11263674240. Its totient is φ = 2608784640.

The previous prime is 5643682573. The next prime is 5643682609. The reversal of 5643682605 is 5062863465.

5643682605 is a `hidden beast` number, since 5 + 6 + 4 + 36 + 8 + 2 + 605 = 666.

It is not a de Polignac number, because 5643682605 - 2⁵ = 5643682573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643682609) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 16264042 + ... + 16264388.

It is an arithmetic number, because the mean of its divisors is an integer number (78219960).

Almost surely, 2^5643682605 is an apocalyptic number.

5643682605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5643682605 is a deficient number, since it is larger than the sum of its proper divisors (5619991635).

5643682605 is a wasteful number, since it uses less digits than its factorization.

5643682605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 498 counting only the distinct ones).

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

The square root of 5643682605 is about 75124.4474522109. The cubic root of 5643682605 is about 1780.4134255158.

The spelling of 5643682605 in words is "five billion, six hundred forty-three million, six hundred eighty-two thousand, six hundred five".