44212232137 has 2 divisors, whose sum is σ = 44212232138. Its totient is φ = 44212232136.

The previous prime is 44212232123. The next prime is 44212232159. The reversal of 44212232137 is 73123221244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44128984761 + 83247376 = 210069^2 + 9124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44212232137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44212232099 and 44212232108.

It is not a weakly prime, because it can be changed into another prime (44212232107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22106116068 + 22106116069.

It is an arithmetic number, because the mean of its divisors is an integer number (22106116069).

Almost surely, 2^44212232137 is an apocalyptic number.

It is an amenable number.

44212232137 is a deficient number, since it is larger than the sum of its proper divisors (1).

44212232137 is an equidigital number, since it uses as much as digits as its factorization.

44212232137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 31.

The spelling of 44212232137 in words is "forty-four billion, two hundred twelve million, two hundred thirty-two thousand, one hundred thirty-seven".