5649738084449 has 4 divisors (see below), whose sum is σ = 5651184143664. Its totient is φ = 5648292025236.

The previous prime is 5649738084433. The next prime is 5649738084457. The reversal of 5649738084449 is 9444808379465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5649738084449 - 2⁴ = 5649738084433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5649738087449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723023747 + ... + 723031560.

It is an arithmetic number, because the mean of its divisors is an integer number (1412796035916).

Almost surely, 2^{5649738084449} is an apocalyptic number.

It is an amenable number.

5649738084449 is a deficient number, since it is larger than the sum of its proper divisors (1446059215).

5649738084449 is a wasteful number, since it uses less digits than its factorization.

5649738084449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446059214.

The product of its (nonzero) digits is 836075520, while the sum is 71.

The spelling of 5649738084449 in words is "five trillion, six hundred forty-nine billion, seven hundred thirty-eight million, eighty-four thousand, four hundred forty-nine".