448391263 has 2 divisors, whose sum is σ = 448391264. Its totient is φ = 448391262.

The previous prime is 448391191. The next prime is 448391291. The reversal of 448391263 is 362193844.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 448391263 - 2¹⁷ = 448260191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448394263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224195631 + 224195632.

It is an arithmetic number, because the mean of its divisors is an integer number (224195632).

Almost surely, 2^448391263 is an apocalyptic number.

448391263 is a deficient number, since it is larger than the sum of its proper divisors (1).

448391263 is an equidigital number, since it uses as much as digits as its factorization.

448391263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 40.

The square root of 448391263 is about 21175.2511909540. The cubic root of 448391263 is about 765.3951640044.

The spelling of 448391263 in words is "four hundred forty-eight million, three hundred ninety-one thousand, two hundred sixty-three".