2126330513 has 2 divisors, whose sum is σ = 2126330514. Its totient is φ = 2126330512.

The previous prime is 2126330443. The next prime is 2126330567. The reversal of 2126330513 is 3150336212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1901570449 + 224760064 = 43607^2 + 14992^2 .

It is a cyclic number.

It is not a de Polignac number, because 2126330513 - 2¹² = 2126326417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2126335513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063165256 + 1063165257.

It is an arithmetic number, because the mean of its divisors is an integer number (1063165257).

Almost surely, 2^2126330513 is an apocalyptic number.

It is an amenable number.

2126330513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126330513 is an equidigital number, since it uses as much as digits as its factorization.

2126330513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 2126330513 is about 46112.1514679157. The cubic root of 2126330513 is about 1285.9090627656.

Adding to 2126330513 its reverse (3150336212), we get a palindrome (5276666725).

The spelling of 2126330513 in words is "two billion, one hundred twenty-six million, three hundred thirty thousand, five hundred thirteen".