2439449553 has 8 divisors (see below), whose sum is σ = 3340507648. Its totient is φ = 1582345584.

The previous prime is 2439449543. The next prime is 2439449569. The reversal of 2439449553 is 3559449342.

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

It is not a de Polignac number, because 2439449553 - 2⁹ = 2439449041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2439449503) 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, 10988401 + ... + 10988622.

It is an arithmetic number, because the mean of its divisors is an integer number (417563456).

Almost surely, 2^2439449553 is an apocalyptic number.

It is an amenable number.

2439449553 is a deficient number, since it is larger than the sum of its proper divisors (901058095).

2439449553 is a wasteful number, since it uses less digits than its factorization.

2439449553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21977063.

The product of its digits is 2332800, while the sum is 48.

The square root of 2439449553 is about 49390.7840897469. The cubic root of 2439449553 is about 1346.1618559809.

The spelling of 2439449553 in words is "two billion, four hundred thirty-nine million, four hundred forty-nine thousand, five hundred fifty-three".