5664551727845 has 8 divisors (see below), whose sum is σ = 6798680071800. Its totient is φ = 4530829383360.

The previous prime is 5664551727749. The next prime is 5664551727847. The reversal of 5664551727845 is 5487271554665.

It can be written as a sum of positive squares in 4 ways, for example, as 47016549889 + 5617535177956 = 216833^2 + 2370134^2 .

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

It is not a de Polignac number, because 5664551727845 - 2¹⁴ = 5664551711461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5664551727847) 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, 101469170 + ... + 101524979.

It is an arithmetic number, because the mean of its divisors is an integer number (849835008975).

Almost surely, 2^{5664551727845} is an apocalyptic number.

It is an amenable number.

5664551727845 is a deficient number, since it is larger than the sum of its proper divisors (1134128343955).

5664551727845 is a wasteful number, since it uses less digits than its factorization.

5664551727845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202999735.

The product of its digits is 282240000, while the sum is 65.

The spelling of 5664551727845 in words is "five trillion, six hundred sixty-four billion, five hundred fifty-one million, seven hundred twenty-seven thousand, eight hundred forty-five".