44213330173 has 2 divisors, whose sum is σ = 44213330174. Its totient is φ = 44213330172.

The previous prime is 44213330137. The next prime is 44213330177. The reversal of 44213330173 is 37103331244.

Together with previous prime (44213330137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30124114969 + 14089215204 = 173563^2 + 118698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44213330173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44213330177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22106665086 + 22106665087.

It is an arithmetic number, because the mean of its divisors is an integer number (22106665087).

Almost surely, 2^44213330173 is an apocalyptic number.

It is an amenable number.

44213330173 is a deficient number, since it is larger than the sum of its proper divisors (1).

44213330173 is an equidigital number, since it uses as much as digits as its factorization.

44213330173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

The spelling of 44213330173 in words is "forty-four billion, two hundred thirteen million, three hundred thirty thousand, one hundred seventy-three".