2042404243 has 8 divisors (see below), whose sum is σ = 2228840640. Its totient is φ = 1856095080.

The previous prime is 2042404241. The next prime is 2042404249. The reversal of 2042404243 is 3424042402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2042404243 - 2¹ = 2042404241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042404241) 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 in 7 ways as a sum of consecutive naturals, for example, 3468 + ... + 64006.

It is an arithmetic number, because the mean of its divisors is an integer number (278605080).

Almost surely, 2^2042404243 is an apocalyptic number.

2042404243 is a deficient number, since it is larger than the sum of its proper divisors (186436397).

2042404243 is a wasteful number, since it uses less digits than its factorization.

2042404243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63617.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 2042404243 is about 45192.9667426249. The cubic root of 2042404243 is about 1268.7631836400.

Adding to 2042404243 its reverse (3424042402), we get a palindrome (5466446645).

The spelling of 2042404243 in words is "two billion, forty-two million, four hundred four thousand, two hundred forty-three".