6573546449 has 4 divisors (see below), whose sum is σ = 6574269936. Its totient is φ = 6572822964.

The previous prime is 6573546409. The next prime is 6573546479. The reversal of 6573546449 is 9446453756.

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 6573546449 - 2¹⁶ = 6573480913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6573546449.

It is not an unprimeable number, because it can be changed into a prime (6573546409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347939 + ... + 366344.

It is an arithmetic number, because the mean of its divisors is an integer number (1643567484).

Almost surely, 2^6573546449 is an apocalyptic number.

It is an amenable number.

6573546449 is a deficient number, since it is larger than the sum of its proper divisors (723487).

6573546449 is an equidigital number, since it uses as much as digits as its factorization.

6573546449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723486.

The product of its digits is 10886400, while the sum is 53.

The square root of 6573546449 is about 81077.4102262770. The cubic root of 6573546449 is about 1873.2679898062.

The spelling of 6573546449 in words is "six billion, five hundred seventy-three million, five hundred forty-six thousand, four hundred forty-nine".