5448944609 has 4 divisors (see below), whose sum is σ = 5449400580. Its totient is φ = 5448488640.

The previous prime is 5448944597. The next prime is 5448944687. The reversal of 5448944609 is 9064498445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2299490209 + 3149454400 = 47953^2 + 56120^2 .

It is a cyclic number.

It is not a de Polignac number, because 5448944609 - 2⁸ = 5448944353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5448946609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209564 + ... + 234125.

It is an arithmetic number, because the mean of its divisors is an integer number (1362350145).

Almost surely, 2^5448944609 is an apocalyptic number.

It is an amenable number.

5448944609 is a deficient number, since it is larger than the sum of its proper divisors (455971).

5448944609 is a wasteful number, since it uses less digits than its factorization.

5448944609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455970.

The product of its (nonzero) digits is 4976640, while the sum is 53.

The square root of 5448944609 is about 73816.9669452762. The cubic root of 5448944609 is about 1759.6952607067.

The spelling of 5448944609 in words is "five billion, four hundred forty-eight million, nine hundred forty-four thousand, six hundred nine".