2439448665 has 64 divisors (see below), whose sum is σ = 4278739200. Its totient is φ = 1182449664.

The previous prime is 2439448631. The next prime is 2439448691. The reversal of 2439448665 is 5668449342.

It is not a de Polignac number, because 2439448665 - 2¹⁰ = 2439447641 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 768201 + ... + 771369.

It is an arithmetic number, because the mean of its divisors is an integer number (66855300).

Almost surely, 2^2439448665 is an apocalyptic number.

It is an amenable number.

2439448665 is a deficient number, since it is larger than the sum of its proper divisors (1839290535).

2439448665 is a wasteful number, since it uses less digits than its factorization.

2439448665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306.

The product of its digits is 4976640, while the sum is 51.

The square root of 2439448665 is about 49390.7751002148. The cubic root of 2439448665 is about 1346.1616926391.

The spelling of 2439448665 in words is "two billion, four hundred thirty-nine million, four hundred forty-eight thousand, six hundred sixty-five".