448044869 has 2 divisors, whose sum is σ = 448044870. Its totient is φ = 448044868.

The previous prime is 448044859. The next prime is 448044889. The reversal of 448044869 is 968440844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358647844 + 89397025 = 18938^2 + 9455^2 .

It is a cyclic number.

It is not a de Polignac number, because 448044869 - 2⁸ = 448044613 is a prime.

It is a super-2 number, since 2×448044869² = 401488409274454322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448044859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224022434 + 224022435.

It is an arithmetic number, because the mean of its divisors is an integer number (224022435).

Almost surely, 2^448044869 is an apocalyptic number.

It is an amenable number.

448044869 is a deficient number, since it is larger than the sum of its proper divisors (1).

448044869 is an equidigital number, since it uses as much as digits as its factorization.

448044869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 884736, while the sum is 47.

The square root of 448044869 is about 21167.0703924752. The cubic root of 448044869 is about 765.1980172887.

The spelling of 448044869 in words is "four hundred forty-eight million, forty-four thousand, eight hundred sixty-nine".