6448344753 has 4 divisors (see below), whose sum is σ = 8597793008. Its totient is φ = 4298896500.

The previous prime is 6448344739. The next prime is 6448344787. The reversal of 6448344753 is 3574438446.

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 not a de Polignac number, because 6448344753 - 2²⁸ = 6179909297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6448344703) 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, 1074724123 + ... + 1074724128.

It is an arithmetic number, because the mean of its divisors is an integer number (2149448252).

Almost surely, 2^6448344753 is an apocalyptic number.

It is an amenable number.

6448344753 is a deficient number, since it is larger than the sum of its proper divisors (2149448255).

6448344753 is a wasteful number, since it uses less digits than its factorization.

6448344753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149448254.

The product of its digits is 3870720, while the sum is 48.

The square root of 6448344753 is about 80301.5862421160. The cubic root of 6448344753 is about 1861.2987377070.

The spelling of 6448344753 in words is "six billion, four hundred forty-eight million, three hundred forty-four thousand, seven hundred fifty-three".