20444411219 has 2 divisors, whose sum is σ = 20444411220. Its totient is φ = 20444411218.

The previous prime is 20444411177. The next prime is 20444411243. The reversal of 20444411219 is 91211444402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20444411219 is a prime.

It is a super-2 number, since 2×20444411219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20444411269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10222205609 + 10222205610.

It is an arithmetic number, because the mean of its divisors is an integer number (10222205610).

Almost surely, 2^20444411219 is an apocalyptic number.

20444411219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20444411219 is an equidigital number, since it uses as much as digits as its factorization.

20444411219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 20444411219 in words is "twenty billion, four hundred forty-four million, four hundred eleven thousand, two hundred nineteen".