1716197047 has 4 divisors (see below), whose sum is σ = 1725784920. Its totient is φ = 1706609176.

The previous prime is 1716197033. The next prime is 1716197051. The reversal of 1716197047 is 7407916171.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1716197047 - 2¹⁵ = 1716164279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1716196994 and 1716197012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1716192047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4793668 + ... + 4794025.

It is an arithmetic number, because the mean of its divisors is an integer number (431446230).

Almost surely, 2^1716197047 is an apocalyptic number.

1716197047 is a deficient number, since it is larger than the sum of its proper divisors (9587873).

1716197047 is an equidigital number, since it uses as much as digits as its factorization.

1716197047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9587872.

The product of its (nonzero) digits is 74088, while the sum is 43.

The square root of 1716197047 is about 41427.0086658450. The cubic root of 1716197047 is about 1197.2615906356.

The spelling of 1716197047 in words is "one billion, seven hundred sixteen million, one hundred ninety-seven thousand, forty-seven".