444509315683 has 2 divisors, whose sum is σ = 444509315684. Its totient is φ = 444509315682.

The previous prime is 444509315681. The next prime is 444509315687. The reversal of 444509315683 is 386513905444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444509315683 - 2¹ = 444509315681 is a prime.

Together with 444509315681, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 444509315683.

It is not a weakly prime, because it can be changed into another prime (444509315681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222254657841 + 222254657842.

It is an arithmetic number, because the mean of its divisors is an integer number (222254657842).

Almost surely, 2^444509315683 is an apocalyptic number.

444509315683 is a deficient number, since it is larger than the sum of its proper divisors (1).

444509315683 is an equidigital number, since it uses as much as digits as its factorization.

444509315683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 444509315683 in words is "four hundred forty-four billion, five hundred nine million, three hundred fifteen thousand, six hundred eighty-three".