2042404421303 has 4 divisors (see below), whose sum is σ = 2092219163328. Its totient is φ = 1992589679280.

The previous prime is 2042404421257. The next prime is 2042404421339. The reversal of 2042404421303 is 3031244042402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042404421303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042404421803) 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, 24907370951 + ... + 24907371032.

It is an arithmetic number, because the mean of its divisors is an integer number (523054790832).

Almost surely, 2^{2042404421303} is an apocalyptic number.

2042404421303 is a deficient number, since it is larger than the sum of its proper divisors (49814742025).

2042404421303 is an equidigital number, since it uses as much as digits as its factorization.

2042404421303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49814742024.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 2042404421303 its reverse (3031244042402), we get a palindrome (5073648463705).

The spelling of 2042404421303 in words is "two trillion, forty-two billion, four hundred four million, four hundred twenty-one thousand, three hundred three".