243413333941 has 2 divisors, whose sum is σ = 243413333942. Its totient is φ = 243413333940.

The previous prime is 243413333939. The next prime is 243413334053. The reversal of 243413333941 is 149333314342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224608697041 + 18804636900 = 473929^2 + 137130^2 .

It is a cyclic number.

It is not a de Polignac number, because 243413333941 - 2¹ = 243413333939 is a prime.

It is a super-2 number, since 2×243413333941² (a number of 24 digits) contains 22 as substring.

Together with 243413333939, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 243413333894 and 243413333903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243413336941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121706666970 + 121706666971.

It is an arithmetic number, because the mean of its divisors is an integer number (121706666971).

Almost surely, 2^243413333941 is an apocalyptic number.

It is an amenable number.

243413333941 is a deficient number, since it is larger than the sum of its proper divisors (1).

243413333941 is an equidigital number, since it uses as much as digits as its factorization.

243413333941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 40.

The spelling of 243413333941 in words is "two hundred forty-three billion, four hundred thirteen million, three hundred thirty-three thousand, nine hundred forty-one".