17716683485 has 12 divisors (see below), whose sum is σ = 21765948732. Its totient is φ = 13843726848.

The previous prime is 17716683421. The next prime is 17716683487. The reversal of 17716683485 is 58438661771.

It can be written as a sum of positive squares in 2 ways, for example, as 9670952281 + 8045731204 = 98341^2 + 89698^2 .

It is not a de Polignac number, because 17716683485 - 2⁶ = 17716683421 is a prime.

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 17716683485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17716683487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 948932 + ... + 967421.

It is an arithmetic number, because the mean of its divisors is an integer number (1813829061).

Almost surely, 2^17716683485 is an apocalyptic number.

It is an amenable number.

17716683485 is a deficient number, since it is larger than the sum of its proper divisors (4049265247).

17716683485 is an equidigital number, since it uses as much as digits as its factorization.

17716683485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916444 (or 1916401 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 56.

The spelling of 17716683485 in words is "seventeen billion, seven hundred sixteen million, six hundred eighty-three thousand, four hundred eighty-five".