2443421213 has 2 divisors, whose sum is σ = 2443421214. Its totient is φ = 2443421212.

The previous prime is 2443421177. The next prime is 2443421249. The reversal of 2443421213 is 3121243442.

It is a balanced prime because it is at equal distance from previous prime (2443421177) and next prime (2443421249).

It can be written as a sum of positive squares in only one way, i.e., 1942870084 + 500551129 = 44078^2 + 22373^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443421213 - 2¹⁴ = 2443404829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2443421263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221710606 + 1221710607.

It is an arithmetic number, because the mean of its divisors is an integer number (1221710607).

Almost surely, 2^2443421213 is an apocalyptic number.

It is an amenable number.

2443421213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443421213 is an equidigital number, since it uses as much as digits as its factorization.

2443421213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 26.

The square root of 2443421213 is about 49430.9742266931. The cubic root of 2443421213 is about 1346.8920204660.

Adding to 2443421213 its reverse (3121243442), we get a palindrome (5564664655).

The spelling of 2443421213 in words is "two billion, four hundred forty-three million, four hundred twenty-one thousand, two hundred thirteen".