448949519 has 2 divisors, whose sum is σ = 448949520. Its totient is φ = 448949518.

The previous prime is 448949491. The next prime is 448949521. The reversal of 448949519 is 915949844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 448949519 - 2²⁴ = 432172303 is a prime.

It is a super-2 number, since 2×448949519² = 403111341220662722, which contains 22 as substring.

Together with 448949521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448949539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224474759 + 224474760.

It is an arithmetic number, because the mean of its divisors is an integer number (224474760).

Almost surely, 2^448949519 is an apocalyptic number.

448949519 is a deficient number, since it is larger than the sum of its proper divisors (1).

448949519 is an equidigital number, since it uses as much as digits as its factorization.

448949519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 53.

The square root of 448949519 is about 21188.4288940922. The cubic root of 448949519 is about 765.7126763155.

The spelling of 448949519 in words is "four hundred forty-eight million, nine hundred forty-nine thousand, five hundred nineteen".