2716223721409 has 9 divisors (see below), whose sum is σ = 2985621207681. Its totient is φ = 2469277811220.

The previous prime is 2716223721391. The next prime is 2716223721433. The reversal of 2716223721409 is 9041273226172.

The square root of 2716223721409 is 1648097.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2716223721409 - 2¹¹ = 2716223719361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2716223731409) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18054154 + ... + 18203980.

Almost surely, 2^{2716223721409} is an apocalyptic number.

2716223721409 is the 1648097-th square number.

2716223721409 is the 824049-th centered octagonal number.

It is an amenable number.

2716223721409 is a deficient number, since it is larger than the sum of its proper divisors (269397486272).

2716223721409 is an frugal number, since it uses more digits than its factorization.

2716223721409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299676 (or 149838 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 2716223721409 in words is "two trillion, seven hundred sixteen billion, two hundred twenty-three million, seven hundred twenty-one thousand, four hundred nine".