2448644565 has 8 divisors (see below), whose sum is σ = 3917831328. Its totient is φ = 1305943760.

The previous prime is 2448644557. The next prime is 2448644567. The reversal of 2448644565 is 5654468442.

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

It is not a de Polignac number, because 2448644565 - 2³ = 2448644557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2448644567) 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, 81621471 + ... + 81621500.

It is an arithmetic number, because the mean of its divisors is an integer number (489728916).

Almost surely, 2^2448644565 is an apocalyptic number.

It is an amenable number.

2448644565 is a deficient number, since it is larger than the sum of its proper divisors (1469186763).

2448644565 is a wasteful number, since it uses less digits than its factorization.

2448644565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163242979.

The product of its digits is 3686400, while the sum is 48.

The square root of 2448644565 is about 49483.7808276611. The cubic root of 2448644565 is about 1347.8510970092.

The spelling of 2448644565 in words is "two billion, four hundred forty-eight million, six hundred forty-four thousand, five hundred sixty-five".