2126858959 has 2 divisors, whose sum is σ = 2126858960. Its totient is φ = 2126858958.

The previous prime is 2126858939. The next prime is 2126858971. The reversal of 2126858959 is 9598586212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2126858959 - 2¹³ = 2126850767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2126858939) 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, 1063429479 + 1063429480.

It is an arithmetic number, because the mean of its divisors is an integer number (1063429480).

Almost surely, 2^2126858959 is an apocalyptic number.

2126858959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126858959 is an equidigital number, since it uses as much as digits as its factorization.

2126858959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 55.

The square root of 2126858959 is about 46117.8811200168. The cubic root of 2126858959 is about 1286.0155807333.

The spelling of 2126858959 in words is "two billion, one hundred twenty-six million, eight hundred fifty-eight thousand, nine hundred fifty-nine".