5471859488309 has 4 divisors (see below), whose sum is σ = 5476370503116. Its totient is φ = 5467348473504.

The previous prime is 5471859488237. The next prime is 5471859488341. The reversal of 5471859488309 is 9038849581745.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114347451409 + 5357512036900 = 338153^2 + 2314630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5471859488309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5471859484309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2255505584 + ... + 2255508009.

It is an arithmetic number, because the mean of its divisors is an integer number (1369092625779).

Almost surely, 2^{5471859488309} is an apocalyptic number.

It is an amenable number.

5471859488309 is a deficient number, since it is larger than the sum of its proper divisors (4511014807).

5471859488309 is a wasteful number, since it uses less digits than its factorization.

5471859488309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511014806.

The product of its (nonzero) digits is 348364800, while the sum is 71.

The spelling of 5471859488309 in words is "five trillion, four hundred seventy-one billion, eight hundred fifty-nine million, four hundred eighty-eight thousand, three hundred nine".