44243221219 has 2 divisors, whose sum is σ = 44243221220. Its totient is φ = 44243221218.

The previous prime is 44243221181. The next prime is 44243221247. The reversal of 44243221219 is 91212234244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44243221219 - 2³¹ = 42095737571 is a prime.

It is a super-2 number, since 2×44243221219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44243221619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22121610609 + 22121610610.

It is an arithmetic number, because the mean of its divisors is an integer number (22121610610).

Almost surely, 2^44243221219 is an apocalyptic number.

44243221219 is a deficient number, since it is larger than the sum of its proper divisors (1).

44243221219 is an equidigital number, since it uses as much as digits as its factorization.

44243221219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The spelling of 44243221219 in words is "forty-four billion, two hundred forty-three million, two hundred twenty-one thousand, two hundred nineteen".