244312345021 has 8 divisors (see below), whose sum is σ = 259793893944. Its totient is φ = 228954155520.

The previous prime is 244312345019. The next prime is 244312345087. The reversal of 244312345021 is 120543213442.

244312345021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1928439396 + 242383905625 = 43914^2 + 492325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244312345021 - 2¹ = 244312345019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244312445021) 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 7 ways as a sum of consecutive naturals, for example, 30835770 + ... + 30843691.

It is an arithmetic number, because the mean of its divisors is an integer number (32474236743).

Almost surely, 2^244312345021 is an apocalyptic number.

It is an amenable number.

244312345021 is a deficient number, since it is larger than the sum of its proper divisors (15481548923).

244312345021 is a wasteful number, since it uses less digits than its factorization.

244312345021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61679711.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 244312345021 its reverse (120543213442), we get a palindrome (364855558463).

The spelling of 244312345021 in words is "two hundred forty-four billion, three hundred twelve million, three hundred forty-five thousand, twenty-one".