2317748449 has 9 divisors (see below), whose sum is σ = 2396469459. Its totient is φ = 2241538080.

The previous prime is 2317748441. The next prime is 2317748473. The reversal of 2317748449 is 9448477132.

The square root of 2317748449 is 48143.

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

It can be written as a sum of positive squares in only one way, i.e., 235469025 + 2082279424 = 15345^2 + 45632^2 .

It is not a de Polignac number, because 2317748449 - 2³ = 2317748441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2317748441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1491657 + ... + 1493209.

Almost surely, 2^2317748449 is an apocalyptic number.

2317748449 is the 48143-rd square number.

2317748449 is the 24072-nd centered octagonal number.

It is an amenable number.

2317748449 is a deficient number, since it is larger than the sum of its proper divisors (78721010).

2317748449 is an frugal number, since it uses more digits than its factorization.

2317748449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168 (or 1584 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The cubic root of 2317748449 is about 1323.3927965477.

Multiplying 2317748449 by its sum of digits (49), we get a square (113569674001 = 337001²).

The spelling of 2317748449 in words is "two billion, three hundred seventeen million, seven hundred forty-eight thousand, four hundred forty-nine".