1716000547421 has 8 divisors (see below), whose sum is σ = 1733763587640. Its totient is φ = 1698238983168.

The previous prime is 1716000547399. The next prime is 1716000547447. The reversal of 1716000547421 is 1247450006171.

It can be written as a sum of positive squares in 4 ways, for example, as 431926298521 + 1284074248900 = 657211^2 + 1133170^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1716000547421 - 2¹⁸ = 1716000285277 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 (1716000541421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2049935 + ... + 2763011.

It is an arithmetic number, because the mean of its divisors is an integer number (216720448455).

Almost surely, 2^{1716000547421} is an apocalyptic number.

It is an amenable number.

1716000547421 is a deficient number, since it is larger than the sum of its proper divisors (17763040219).

1716000547421 is an equidigital number, since it uses as much as digits as its factorization.

1716000547421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737983.

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 1716000547421 in words is "one trillion, seven hundred sixteen billion, five hundred forty-seven thousand, four hundred twenty-one".