17147432271 has 4 divisors (see below), whose sum is σ = 22863243032. Its totient is φ = 11431621512.

The previous prime is 17147432261. The next prime is 17147432297. The reversal of 17147432271 is 17223474171.

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

It is a de Polignac number, because none of the positive numbers 2^k-17147432271 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 (17147432261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2857905376 + ... + 2857905381.

It is an arithmetic number, because the mean of its divisors is an integer number (5715810758).

Almost surely, 2^17147432271 is an apocalyptic number.

17147432271 is a deficient number, since it is larger than the sum of its proper divisors (5715810761).

17147432271 is an equidigital number, since it uses as much as digits as its factorization.

17147432271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715810760.

The product of its digits is 65856, while the sum is 39.

The spelling of 17147432271 in words is "seventeen billion, one hundred forty-seven million, four hundred thirty-two thousand, two hundred seventy-one".