448807544761 has 3 divisors (see below), whose sum is σ = 448808214693. Its totient is φ = 448806874830.

The previous prime is 448807544687. The next prime is 448807544819. The reversal of 448807544761 is 167445708844.

The square root of 448807544761 is 669931.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 448807544761 - 2¹⁵ = 448807511993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 448807544696 and 448807544705.

It is not an unprimeable number, because it can be changed into a prime (448807544161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 334966 + ... + 1004896.

It is an arithmetic number, because the mean of its divisors is an integer number (149602738231).

Almost surely, 2^448807544761 is an apocalyptic number.

448807544761 is the 669931-st square number.

448807544761 is the 334966-th centered octagonal number.

It is an amenable number.

448807544761 is a deficient number, since it is larger than the sum of its proper divisors (669932).

448807544761 is an frugal number, since it uses more digits than its factorization.

448807544761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339862 (or 669931 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 58.

The spelling of 448807544761 in words is "four hundred forty-eight billion, eight hundred seven million, five hundred forty-four thousand, seven hundred sixty-one".