244233133421 has 2 divisors, whose sum is σ = 244233133422. Its totient is φ = 244233133420.

The previous prime is 244233133327. The next prime is 244233133511. The reversal of 244233133421 is 124331332442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224757535396 + 19475598025 = 474086^2 + 139555^2 .

It is a cyclic number.

It is not a de Polignac number, because 244233133421 - 2¹⁰ = 244233132397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244233183421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122116566710 + 122116566711.

It is an arithmetic number, because the mean of its divisors is an integer number (122116566711).

Almost surely, 2^244233133421 is an apocalyptic number.

It is an amenable number.

244233133421 is a deficient number, since it is larger than the sum of its proper divisors (1).

244233133421 is an equidigital number, since it uses as much as digits as its factorization.

244233133421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 32.

Adding to 244233133421 its reverse (124331332442), we get a palindrome (368564465863).

The spelling of 244233133421 in words is "two hundred forty-four billion, two hundred thirty-three million, one hundred thirty-three thousand, four hundred twenty-one".