5646688545 has 8 divisors (see below), whose sum is σ = 9034701696. Its totient is φ = 3011567216.

The previous prime is 5646688477. The next prime is 5646688549. The reversal of 5646688545 is 5458866465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5646688545 - 2¹⁰ = 5646687521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5646688549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188222937 + ... + 188222966.

It is an arithmetic number, because the mean of its divisors is an integer number (1129337712).

Almost surely, 2^5646688545 is an apocalyptic number.

It is an amenable number.

5646688545 is a deficient number, since it is larger than the sum of its proper divisors (3388013151).

5646688545 is a wasteful number, since it uses less digits than its factorization.

5646688545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376445911.

The product of its digits is 27648000, while the sum is 57.

The square root of 5646688545 is about 75144.4511923535. The cubic root of 5646688545 is about 1780.7294641987.

The spelling of 5646688545 in words is "five billion, six hundred forty-six million, six hundred eighty-eight thousand, five hundred forty-five".