448589749 has 2 divisors, whose sum is σ = 448589750. Its totient is φ = 448589748.

The previous prime is 448589711. The next prime is 448589797. The reversal of 448589749 is 947985844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432348849 + 16240900 = 20793^2 + 4030^2 .

It is a cyclic number.

It is not a de Polignac number, because 448589749 - 2⁷ = 448589621 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 448589693 and 448589702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448589249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224294874 + 224294875.

It is an arithmetic number, because the mean of its divisors is an integer number (224294875).

Almost surely, 2^448589749 is an apocalyptic number.

It is an amenable number.

448589749 is a deficient number, since it is larger than the sum of its proper divisors (1).

448589749 is an equidigital number, since it uses as much as digits as its factorization.

448589749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 58.

The square root of 448589749 is about 21179.9374172824. The cubic root of 448589749 is about 765.5080845912.

The spelling of 448589749 in words is "four hundred forty-eight million, five hundred eighty-nine thousand, seven hundred forty-nine".