1716842045 has 4 divisors (see below), whose sum is σ = 2060210460. Its totient is φ = 1373473632.

The previous prime is 1716842027. The next prime is 1716842051. The reversal of 1716842045 is 5402486171.

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 231587524 + 1485254521 = 15218^2 + 38539^2 .

It is a cyclic number.

It is not a de Polignac number, because 1716842045 - 2⁶ = 1716841981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171684200 + ... + 171684209.

It is an arithmetic number, because the mean of its divisors is an integer number (515052615).

Almost surely, 2^1716842045 is an apocalyptic number.

It is an amenable number.

1716842045 is a deficient number, since it is larger than the sum of its proper divisors (343368415).

1716842045 is an equidigital number, since it uses as much as digits as its factorization.

1716842045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343368414.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 1716842045 is about 41434.7926868230. The cubic root of 1716842045 is about 1197.4115607125.

The spelling of 1716842045 in words is "one billion, seven hundred sixteen million, eight hundred forty-two thousand, forty-five".