6448834573 has 4 divisors (see below), whose sum is σ = 6451656640. Its totient is φ = 6446012508.

The previous prime is 6448834559. The next prime is 6448834589. The reversal of 6448834573 is 3754388446.

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 6448834573 - 2⁵ = 6448834541 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 6448834573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448834373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407603 + ... + 1412176.

It is an arithmetic number, because the mean of its divisors is an integer number (1612914160).

Almost surely, 2^6448834573 is an apocalyptic number.

It is an amenable number.

6448834573 is a deficient number, since it is larger than the sum of its proper divisors (2822067).

6448834573 is a wasteful number, since it uses less digits than its factorization.

6448834573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822066.

The product of its digits is 7741440, while the sum is 52.

The square root of 6448834573 is about 80304.6360616870. The cubic root of 6448834573 is about 1861.3458649570.

The spelling of 6448834573 in words is "six billion, four hundred forty-eight million, eight hundred thirty-four thousand, five hundred seventy-three".