44122312139 has 2 divisors, whose sum is σ = 44122312140. Its totient is φ = 44122312138.

The previous prime is 44122312111. The next prime is 44122312181. The reversal of 44122312139 is 93121322144.

44122312139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44122312139 is a prime.

It is not a weakly prime, because it can be changed into another prime (44122312439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22061156069 + 22061156070.

It is an arithmetic number, because the mean of its divisors is an integer number (22061156070).

Almost surely, 2^44122312139 is an apocalyptic number.

44122312139 is a deficient number, since it is larger than the sum of its proper divisors (1).

44122312139 is an equidigital number, since it uses as much as digits as its factorization.

44122312139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The spelling of 44122312139 in words is "forty-four billion, one hundred twenty-two million, three hundred twelve thousand, one hundred thirty-nine".