448910641 has 2 divisors, whose sum is σ = 448910642. Its totient is φ = 448910640.

The previous prime is 448910621. The next prime is 448910713. The reversal of 448910641 is 146019844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 443523600 + 5387041 = 21060^2 + 2321^2 .

It is a cyclic number.

It is not a de Polignac number, because 448910641 - 2⁷ = 448910513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 448910641.

It is not a weakly prime, because it can be changed into another prime (448910611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224455320 + 224455321.

It is an arithmetic number, because the mean of its divisors is an integer number (224455321).

Almost surely, 2^448910641 is an apocalyptic number.

It is an amenable number.

448910641 is a deficient number, since it is larger than the sum of its proper divisors (1).

448910641 is an equidigital number, since it uses as much as digits as its factorization.

448910641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 448910641 is about 21187.5114395249. The cubic root of 448910641 is about 765.6905726895.

The spelling of 448910641 in words is "four hundred forty-eight million, nine hundred ten thousand, six hundred forty-one".