448153999 has 2 divisors, whose sum is σ = 448154000. Its totient is φ = 448153998.

The previous prime is 448153997. The next prime is 448154039. The reversal of 448153999 is 999351844.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 448153999 - 2¹ = 448153997 is a prime.

Together with 448153997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448153997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224076999 + 224077000.

It is an arithmetic number, because the mean of its divisors is an integer number (224077000).

Almost surely, 2^448153999 is an apocalyptic number.

448153999 is a deficient number, since it is larger than the sum of its proper divisors (1).

448153999 is an equidigital number, since it uses as much as digits as its factorization.

448153999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 52.

The square root of 448153999 is about 21169.6480603717. The cubic root of 448153999 is about 765.2601385080.

The spelling of 448153999 in words is "four hundred forty-eight million, one hundred fifty-three thousand, nine hundred ninety-nine".