2421113243 has 2 divisors, whose sum is σ = 2421113244. Its totient is φ = 2421113242.

The previous prime is 2421113231. The next prime is 2421113251. The reversal of 2421113243 is 3423111242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421113243 - 2⁶ = 2421113179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421113743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210556621 + 1210556622.

It is an arithmetic number, because the mean of its divisors is an integer number (1210556622).

Almost surely, 2^2421113243 is an apocalyptic number.

2421113243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421113243 is an equidigital number, since it uses as much as digits as its factorization.

2421113243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 2421113243 is about 49204.8091450419. The cubic root of 2421113243 is about 1342.7805267617.

Adding to 2421113243 its reverse (3423111242), we get a palindrome (5844224485).

The spelling of 2421113243 in words is "two billion, four hundred twenty-one million, one hundred thirteen thousand, two hundred forty-three".