2042344241243 has 4 divisors (see below), whose sum is σ = 2042410190448. Its totient is φ = 2042278292040.

The previous prime is 2042344241237. The next prime is 2042344241293. The reversal of 2042344241243 is 3421424432402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2042344241243 - 2¹⁰ = 2042344240219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042344241233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32928128 + ... + 32990093.

It is an arithmetic number, because the mean of its divisors is an integer number (510602547612).

Almost surely, 2^{2042344241243} is an apocalyptic number.

2042344241243 is a deficient number, since it is larger than the sum of its proper divisors (65949205).

2042344241243 is an equidigital number, since it uses as much as digits as its factorization.

2042344241243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65949204.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 2042344241243 its reverse (3421424432402), we get a palindrome (5463768673645).

The spelling of 2042344241243 in words is "two trillion, forty-two billion, three hundred forty-four million, two hundred forty-one thousand, two hundred forty-three".