44212644139 has 2 divisors, whose sum is σ = 44212644140. Its totient is φ = 44212644138.

The previous prime is 44212644131. The next prime is 44212644143. The reversal of 44212644139 is 93144621244.

44212644139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44212644139 - 2³ = 44212644131 is a prime.

It is not a weakly prime, because it can be changed into another prime (44212644131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22106322069 + 22106322070.

It is an arithmetic number, because the mean of its divisors is an integer number (22106322070).

Almost surely, 2^44212644139 is an apocalyptic number.

44212644139 is a deficient number, since it is larger than the sum of its proper divisors (1).

44212644139 is an equidigital number, since it uses as much as digits as its factorization.

44212644139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The spelling of 44212644139 in words is "forty-four billion, two hundred twelve million, six hundred forty-four thousand, one hundred thirty-nine".