448474549 has 2 divisors, whose sum is σ = 448474550. Its totient is φ = 448474548.

The previous prime is 448474541. The next prime is 448474561. The reversal of 448474549 is 945474844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333062500 + 115412049 = 18250^2 + 10743^2 .

It is a cyclic number.

It is not a de Polignac number, because 448474549 - 2³ = 448474541 is a prime.

It is a super-2 number, since 2×448474549² = 402258842201506802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448474541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224237274 + 224237275.

It is an arithmetic number, because the mean of its divisors is an integer number (224237275).

Almost surely, 2^448474549 is an apocalyptic number.

It is an amenable number.

448474549 is a deficient number, since it is larger than the sum of its proper divisors (1).

448474549 is an equidigital number, since it uses as much as digits as its factorization.

448474549 is an evil number, because the sum of its binary digits is even.

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

The square root of 448474549 is about 21177.2176878834. The cubic root of 448474549 is about 765.4425502646.

The spelling of 448474549 in words is "four hundred forty-eight million, four hundred seventy-four thousand, five hundred forty-nine".