241443313421 has 2 divisors, whose sum is σ = 241443313422. Its totient is φ = 241443313420.

The previous prime is 241443313403. The next prime is 241443313429. The reversal of 241443313421 is 124313344142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237813250921 + 3630062500 = 487661^2 + 60250^2 .

It is a cyclic number.

It is not a de Polignac number, because 241443313421 - 2¹⁴ = 241443297037 is a prime.

It is a super-2 number, since 2×241443313421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241443313429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120721656710 + 120721656711.

It is an arithmetic number, because the mean of its divisors is an integer number (120721656711).

Almost surely, 2^241443313421 is an apocalyptic number.

It is an amenable number.

241443313421 is a deficient number, since it is larger than the sum of its proper divisors (1).

241443313421 is an equidigital number, since it uses as much as digits as its factorization.

241443313421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 32.

Adding to 241443313421 its reverse (124313344142), we get a palindrome (365756657563).

The spelling of 241443313421 in words is "two hundred forty-one billion, four hundred forty-three million, three hundred thirteen thousand, four hundred twenty-one".