17271368845 has 8 divisors (see below), whose sum is σ = 20726761464. Its totient is φ = 13816349184.

The previous prime is 17271368843. The next prime is 17271368869. The reversal of 17271368845 is 54886317271.

It can be written as a sum of positive squares in 4 ways, for example, as 10769043076 + 6502325769 = 103774^2 + 80637^2 .

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 17271368845 - 2¹ = 17271368843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17271368792 and 17271368801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17271368843) 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, 21477 + ... + 187093.

It is an arithmetic number, because the mean of its divisors is an integer number (2590845183).

Almost surely, 2^17271368845 is an apocalyptic number.

It is an amenable number.

17271368845 is a deficient number, since it is larger than the sum of its proper divisors (3455392619).

17271368845 is a wasteful number, since it uses less digits than its factorization.

17271368845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186479.

The product of its digits is 2257920, while the sum is 52.

The spelling of 17271368845 in words is "seventeen billion, two hundred seventy-one million, three hundred sixty-eight thousand, eight hundred forty-five".