2130243443 has 2 divisors, whose sum is σ = 2130243444. Its totient is φ = 2130243442.

The previous prime is 2130243433. The next prime is 2130243503. The reversal of 2130243443 is 3443420312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130243443 - 2¹² = 2130239347 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130243413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065121721 + 1065121722.

It is an arithmetic number, because the mean of its divisors is an integer number (1065121722).

Almost surely, 2^2130243443 is an apocalyptic number.

2130243443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130243443 is an equidigital number, since it uses as much as digits as its factorization.

2130243443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2130243443 is about 46154.5603705636. The cubic root of 2130243443 is about 1286.6973674369.

Adding to 2130243443 its reverse (3443420312), we get a palindrome (5573663755).

The spelling of 2130243443 in words is "two billion, one hundred thirty million, two hundred forty-three thousand, four hundred forty-three".