44142817177 has 2 divisors, whose sum is σ = 44142817178. Its totient is φ = 44142817176.

The previous prime is 44142817153. The next prime is 44142817217. The reversal of 44142817177 is 77171824144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41525880841 + 2616936336 = 203779^2 + 51156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44142817177 is a prime.

It is not a weakly prime, because it can be changed into another prime (44142217177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22071408588 + 22071408589.

It is an arithmetic number, because the mean of its divisors is an integer number (22071408589).

Almost surely, 2^44142817177 is an apocalyptic number.

It is an amenable number.

44142817177 is a deficient number, since it is larger than the sum of its proper divisors (1).

44142817177 is an equidigital number, since it uses as much as digits as its factorization.

44142817177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 351232, while the sum is 46.

The spelling of 44142817177 in words is "forty-four billion, one hundred forty-two million, eight hundred seventeen thousand, one hundred seventy-seven".