2126313443 has 2 divisors, whose sum is σ = 2126313444. Its totient is φ = 2126313442.

The previous prime is 2126313419. The next prime is 2126313461. The reversal of 2126313443 is 3443136212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2126313443 - 2¹² = 2126309347 is a prime.

It is not a weakly prime, because it can be changed into another prime (2126310443) 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, 1063156721 + 1063156722.

It is an arithmetic number, because the mean of its divisors is an integer number (1063156722).

Almost surely, 2^2126313443 is an apocalyptic number.

2126313443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126313443 is an equidigital number, since it uses as much as digits as its factorization.

2126313443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

The square root of 2126313443 is about 46111.9663753347. The cubic root of 2126313443 is about 1285.9056217003.

Adding to 2126313443 its reverse (3443136212), we get a palindrome (5569449655).

The spelling of 2126313443 in words is "two billion, one hundred twenty-six million, three hundred thirteen thousand, four hundred forty-three".