44127247217 has 2 divisors, whose sum is σ = 44127247218. Its totient is φ = 44127247216.

The previous prime is 44127247169. The next prime is 44127247231. The reversal of 44127247217 is 71274272144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39980402401 + 4146844816 = 199951^2 + 64396^2 .

It is a cyclic number.

It is not a de Polignac number, because 44127247217 - 2¹⁸ = 44126985073 is a prime.

It is a super-4 number, since 4×44127247217⁴ (a number of 44 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (44127247237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22063623608 + 22063623609.

It is an arithmetic number, because the mean of its divisors is an integer number (22063623609).

Almost surely, 2^44127247217 is an apocalyptic number.

It is an amenable number.

44127247217 is a deficient number, since it is larger than the sum of its proper divisors (1).

44127247217 is an equidigital number, since it uses as much as digits as its factorization.

44127247217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 175616, while the sum is 41.

The spelling of 44127247217 in words is "forty-four billion, one hundred twenty-seven million, two hundred forty-seven thousand, two hundred seventeen".