2382513721 has 27 divisors (see below), whose sum is σ = 2933032869. Its totient is φ = 1929401208.

The previous prime is 2382513697. The next prime is 2382513733. The reversal of 2382513721 is 1273152832.

The square root of 2382513721 is 48811.

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

It is not a de Polignac number, because 2382513721 - 2²⁹ = 1845642809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2382513761) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6491680 + ... + 6492046.

It is an arithmetic number, because the mean of its divisors is an integer number (108630847).

Almost surely, 2^2382513721 is an apocalyptic number.

2382513721 is the 48811-st square number.

2382513721 is the 24406-th centered octagonal number.

It is an amenable number.

2382513721 is a deficient number, since it is larger than the sum of its proper divisors (550519148).

2382513721 is an frugal number, since it uses more digits than its factorization.

2382513721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 393 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The cubic root of 2382513721 is about 1335.6063344738.

The spelling of 2382513721 in words is "two billion, three hundred eighty-two million, five hundred thirteen thousand, seven hundred twenty-one".