244442122742019 has 4 divisors (see below), whose sum is σ = 325922830322696. Its totient is φ = 162961415161344.

The previous prime is 244442122742011. The next prime is 244442122742101. The reversal of 244442122742019 is 910247221244442.

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

It is not a de Polignac number, because 244442122742019 - 2³ = 244442122742011 is a prime.

It is a super-2 number, since 2×244442122742019² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244442122742011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40740353790334 + ... + 40740353790339.

It is an arithmetic number, because the mean of its divisors is an integer number (81480707580674).

Almost surely, 2^{244442122742019} is an apocalyptic number.

244442122742019 is a deficient number, since it is larger than the sum of its proper divisors (81480707580677).

244442122742019 is an equidigital number, since it uses as much as digits as its factorization.

244442122742019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81480707580676.

The product of its (nonzero) digits is 2064384, while the sum is 48.

The spelling of 244442122742019 in words is "two hundred forty-four trillion, four hundred forty-two billion, one hundred twenty-two million, seven hundred forty-two thousand, nineteen".