17484945509 has 4 divisors (see below), whose sum is σ = 17489576160. Its totient is φ = 17480314860.

The previous prime is 17484945493. The next prime is 17484945523. The reversal of 17484945509 is 90554948471.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 17484945509 - 2⁴ = 17484945493 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 (17484945539) 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, 2309657 + ... + 2317214.

It is an arithmetic number, because the mean of its divisors is an integer number (4372394040).

Almost surely, 2^17484945509 is an apocalyptic number.

It is an amenable number.

17484945509 is a deficient number, since it is larger than the sum of its proper divisors (4630651).

17484945509 is an equidigital number, since it uses as much as digits as its factorization.

17484945509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630650.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 17484945509 in words is "seventeen billion, four hundred eighty-four million, nine hundred forty-five thousand, five hundred nine".