44351444173 has 2 divisors, whose sum is σ = 44351444174. Its totient is φ = 44351444172.

The previous prime is 44351444129. The next prime is 44351444213. The reversal of 44351444173 is 37144415344.

44351444173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (44351444213) can be obtained adding 44351444173 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44296358089 + 55086084 = 210467^2 + 7422^2 .

It is a cyclic number.

It is not a de Polignac number, because 44351444173 - 2¹⁷ = 44351313101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44351444573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22175722086 + 22175722087.

It is an arithmetic number, because the mean of its divisors is an integer number (22175722087).

Almost surely, 2^44351444173 is an apocalyptic number.

It is an amenable number.

44351444173 is a deficient number, since it is larger than the sum of its proper divisors (1).

44351444173 is an equidigital number, since it uses as much as digits as its factorization.

44351444173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 40.

The spelling of 44351444173 in words is "forty-four billion, three hundred fifty-one million, four hundred forty-four thousand, one hundred seventy-three".