2126336243 has 2 divisors, whose sum is σ = 2126336244. Its totient is φ = 2126336242.

The previous prime is 2126336161. The next prime is 2126336257. The reversal of 2126336243 is 3426336212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2126336243 - 2¹² = 2126332147 is a prime.

It is not a weakly prime, because it can be changed into another prime (2126336843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063168121 + 1063168122.

It is an arithmetic number, because the mean of its divisors is an integer number (1063168122).

Almost surely, 2^2126336243 is an apocalyptic number.

2126336243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126336243 is an equidigital number, since it uses as much as digits as its factorization.

2126336243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 32.

The square root of 2126336243 is about 46112.2135990022. The cubic root of 2126336243 is about 1285.9102178467.

The spelling of 2126336243 in words is "two billion, one hundred twenty-six million, three hundred thirty-six thousand, two hundred forty-three".