2043134124809 has 2 divisors, whose sum is σ = 2043134124810. Its totient is φ = 2043134124808.

The previous prime is 2043134124763. The next prime is 2043134124851. The reversal of 2043134124809 is 9084214313402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1911176297209 + 131957827600 = 1382453^2 + 363260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043134124809 - 2²⁰ = 2043133076233 is a prime.

It is not a weakly prime, because it can be changed into another prime (2043134127809) 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, 1021567062404 + 1021567062405.

It is an arithmetic number, because the mean of its divisors is an integer number (1021567062405).

Almost surely, 2^{2043134124809} is an apocalyptic number.

It is an amenable number.

2043134124809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043134124809 is an equidigital number, since it uses as much as digits as its factorization.

2043134124809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 2043134124809 in words is "two trillion, forty-three billion, one hundred thirty-four million, one hundred twenty-four thousand, eight hundred nine".