444648899 has 2 divisors, whose sum is σ = 444648900. Its totient is φ = 444648898.

The previous prime is 444648881. The next prime is 444648901. The reversal of 444648899 is 998846444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444648899 - 2¹² = 444644803 is a prime.

Together with 444648901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (444348899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222324449 + 222324450.

It is an arithmetic number, because the mean of its divisors is an integer number (222324450).

Almost surely, 2^444648899 is an apocalyptic number.

444648899 is a deficient number, since it is larger than the sum of its proper divisors (1).

444648899 is an equidigital number, since it uses as much as digits as its factorization.

444648899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7962624, while the sum is 56.

The square root of 444648899 is about 21086.6995757990. The cubic root of 444648899 is about 763.2598314502.

The spelling of 444648899 in words is "four hundred forty-four million, six hundred forty-eight thousand, eight hundred ninety-nine".