17320474459481 has 4 divisors (see below), whose sum is σ = 18339325898292. Its totient is φ = 16301623020672.

The previous prime is 17320474459369. The next prime is 17320474459511. The reversal of 17320474459481 is 18495447402371.

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 12863663694025 + 4456810765456 = 3586595^2 + 2111116^2 .

It is a de Polignac number, because none of the positive numbers 2^k-17320474459481 is a prime.

It is a super-2 number, since 2×17320474459481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17320474459481.

It is not an unprimeable number, because it can be changed into a prime (17320474452481) 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, 509425719380 + ... + 509425719413.

It is an arithmetic number, because the mean of its divisors is an integer number (4584831474573).

Almost surely, 2^{17320474459481} is an apocalyptic number.

It is an amenable number.

17320474459481 is a deficient number, since it is larger than the sum of its proper divisors (1018851438811).

17320474459481 is a wasteful number, since it uses less digits than its factorization.

17320474459481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018851438810.

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 17320474459481 in words is "seventeen trillion, three hundred twenty billion, four hundred seventy-four million, four hundred fifty-nine thousand, four hundred eighty-one".