2126434361 has 2 divisors, whose sum is σ = 2126434362. Its totient is φ = 2126434360.

The previous prime is 2126434327. The next prime is 2126434417. The reversal of 2126434361 is 1634346212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2017357225 + 109077136 = 44915^2 + 10444^2 .

It is a cyclic number.

It is not a de Polignac number, because 2126434361 - 2¹⁴ = 2126417977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2126434561) 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, 1063217180 + 1063217181.

It is an arithmetic number, because the mean of its divisors is an integer number (1063217181).

Almost surely, 2^2126434361 is an apocalyptic number.

It is an amenable number.

2126434361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126434361 is an equidigital number, since it uses as much as digits as its factorization.

2126434361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 32.

The square root of 2126434361 is about 46113.2774914124. The cubic root of 2126434361 is about 1285.9299966248.

The spelling of 2126434361 in words is "two billion, one hundred twenty-six million, four hundred thirty-four thousand, three hundred sixty-one".