444999953 has 2 divisors, whose sum is σ = 444999954. Its totient is φ = 444999952.

The previous prime is 444999923. The next prime is 444999979. The reversal of 444999953 is 359999444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427166224 + 17833729 = 20668^2 + 4223^2 .

It is a cyclic number.

It is not a de Polignac number, because 444999953 - 2¹² = 444995857 is a prime.

It is not a weakly prime, because it can be changed into another prime (444999923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222499976 + 222499977.

It is an arithmetic number, because the mean of its divisors is an integer number (222499977).

Almost surely, 2^444999953 is an apocalyptic number.

It is an amenable number.

444999953 is a deficient number, since it is larger than the sum of its proper divisors (1).

444999953 is an equidigital number, since it uses as much as digits as its factorization.

444999953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6298560, while the sum is 56.

The square root of 444999953 is about 21095.0219957221. The cubic root of 444999953 is about 763.4606452708.

The spelling of 444999953 in words is "four hundred forty-four million, nine hundred ninety-nine thousand, nine hundred fifty-three".