244321211139 has 4 divisors (see below), whose sum is σ = 325761614856. Its totient is φ = 162880807424.

The previous prime is 244321211131. The next prime is 244321211153. The reversal of 244321211139 is 931112123442.

244321211139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 244321211139 - 2³ = 244321211131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244321211131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40720201854 + ... + 40720201859.

It is an arithmetic number, because the mean of its divisors is an integer number (81440403714).

Almost surely, 2^244321211139 is an apocalyptic number.

244321211139 is a deficient number, since it is larger than the sum of its proper divisors (81440403717).

244321211139 is an equidigital number, since it uses as much as digits as its factorization.

244321211139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81440403716.

The product of its digits is 10368, while the sum is 33.

The spelling of 244321211139 in words is "two hundred forty-four billion, three hundred twenty-one million, two hundred eleven thousand, one hundred thirty-nine".