244234342421 has 4 divisors (see below), whose sum is σ = 250191277644. Its totient is φ = 238277407200.

The previous prime is 244234342411. The next prime is 244234342427. The reversal of 244234342421 is 124243432442.

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

It can be written as a sum of positive squares in 2 ways, for example, as 137296186225 + 106938156196 = 370535^2 + 327014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244234342421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244234342427) 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, 2978467550 + ... + 2978467631.

It is an arithmetic number, because the mean of its divisors is an integer number (62547819411).

Almost surely, 2^244234342421 is an apocalyptic number.

It is an amenable number.

244234342421 is a deficient number, since it is larger than the sum of its proper divisors (5956935223).

244234342421 is an equidigital number, since it uses as much as digits as its factorization.

244234342421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956935222.

The product of its digits is 147456, while the sum is 35.

Adding to 244234342421 its reverse (124243432442), we get a palindrome (368477774863).

The spelling of 244234342421 in words is "two hundred forty-four billion, two hundred thirty-four million, three hundred forty-two thousand, four hundred twenty-one".