17479308971 has 4 divisors (see below), whose sum is σ = 17483458152. Its totient is φ = 17475159792.

The previous prime is 17479308949. The next prime is 17479309031. The reversal of 17479308971 is 17980397471.

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

It is a cyclic number.

It is not a de Polignac number, because 17479308971 - 2¹⁴ = 17479292587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17479308911) 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, 2068265 + ... + 2076698.

It is an arithmetic number, because the mean of its divisors is an integer number (4370864538).

Almost surely, 2^17479308971 is an apocalyptic number.

17479308971 is a deficient number, since it is larger than the sum of its proper divisors (4149181).

17479308971 is an equidigital number, since it uses as much as digits as its factorization.

17479308971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149180.

The product of its (nonzero) digits is 2667168, while the sum is 56.

The spelling of 17479308971 in words is "seventeen billion, four hundred seventy-nine million, three hundred eight thousand, nine hundred seventy-one".