448086491 has 2 divisors, whose sum is σ = 448086492. Its totient is φ = 448086490.

The previous prime is 448086473. The next prime is 448086503. The reversal of 448086491 is 194680844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 448086491 - 2⁶ = 448086427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (448086461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224043245 + 224043246.

It is an arithmetic number, because the mean of its divisors is an integer number (224043246).

Almost surely, 2^448086491 is an apocalyptic number.

448086491 is a deficient number, since it is larger than the sum of its proper divisors (1).

448086491 is an equidigital number, since it uses as much as digits as its factorization.

448086491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 448086491 is about 21168.0535477403. The cubic root of 448086491 is about 765.2217114080.

The spelling of 448086491 in words is "four hundred forty-eight million, eighty-six thousand, four hundred ninety-one".