1716289469 has 4 divisors (see below), whose sum is σ = 1717705596. Its totient is φ = 1714873344.

The previous prime is 1716289391. The next prime is 1716289483. The reversal of 1716289469 is 9649826171.

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 783720025 + 932569444 = 27995^2 + 30538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1716289469 is a prime.

It is a super-2 number, since 2×1716289469² = 5891299082800603922, which 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 1716289469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1716289369) 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, 706244 + ... + 708669.

It is an arithmetic number, because the mean of its divisors is an integer number (429426399).

Almost surely, 2^1716289469 is an apocalyptic number.

It is an amenable number.

1716289469 is a deficient number, since it is larger than the sum of its proper divisors (1416127).

1716289469 is a wasteful number, since it uses less digits than its factorization.

1716289469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416126.

The product of its digits is 1306368, while the sum is 53.

The square root of 1716289469 is about 41428.1241308365. The cubic root of 1716289469 is about 1197.2830822091.

The spelling of 1716289469 in words is "one billion, seven hundred sixteen million, two hundred eighty-nine thousand, four hundred sixty-nine".