2042909366243 has 2 divisors, whose sum is σ = 2042909366244. Its totient is φ = 2042909366242.

The previous prime is 2042909366177. The next prime is 2042909366279. The reversal of 2042909366243 is 3426639092402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2042909366243 - 2¹⁰ = 2042909365219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2042909366191 and 2042909366200.

It is not a weakly prime, because it can be changed into another prime (2042909366543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021454683121 + 1021454683122.

It is an arithmetic number, because the mean of its divisors is an integer number (1021454683122).

Almost surely, 2^{2042909366243} is an apocalyptic number.

2042909366243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042909366243 is an equidigital number, since it uses as much as digits as its factorization.

2042909366243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3359232, while the sum is 50.

The spelling of 2042909366243 in words is "two trillion, forty-two billion, nine hundred nine million, three hundred sixty-six thousand, two hundred forty-three".