448270891 has 2 divisors, whose sum is σ = 448270892. Its totient is φ = 448270890.

The previous prime is 448270877. The next prime is 448270931. The reversal of 448270891 is 198072844.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 448270891 - 2¹³ = 448262699 is a prime.

It is not a weakly prime, because it can be changed into another prime (448210891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224135445 + 224135446.

It is an arithmetic number, because the mean of its divisors is an integer number (224135446).

Almost surely, 2^448270891 is an apocalyptic number.

448270891 is a deficient number, since it is larger than the sum of its proper divisors (1).

448270891 is an equidigital number, since it uses as much as digits as its factorization.

448270891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 448270891 is about 21172.4087198410. The cubic root of 448270891 is about 765.3266669871.

The spelling of 448270891 in words is "four hundred forty-eight million, two hundred seventy thousand, eight hundred ninety-one".