448544749 has 4 divisors (see below), whose sum is σ = 452736864. Its totient is φ = 444352636.

The previous prime is 448544743. The next prime is 448544791. The reversal of 448544749 is 947445844.

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 448544749 - 2¹⁵ = 448511981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448544743) 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, 2095897 + ... + 2096110.

It is an arithmetic number, because the mean of its divisors is an integer number (113184216).

Almost surely, 2^448544749 is an apocalyptic number.

It is an amenable number.

448544749 is a deficient number, since it is larger than the sum of its proper divisors (4192115).

448544749 is a wasteful number, since it uses less digits than its factorization.

448544749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192114.

The product of its digits is 2580480, while the sum is 49.

The square root of 448544749 is about 21178.8750645543. The cubic root of 448544749 is about 765.4824865804.

The spelling of 448544749 in words is "four hundred forty-eight million, five hundred forty-four thousand, seven hundred forty-nine".