2042314421 has 4 divisors (see below), whose sum is σ = 2334073632. Its totient is φ = 1750555212.

The previous prime is 2042314409. The next prime is 2042314423. The reversal of 2042314421 is 1244132402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1244132402 = 2 ⋅622066201.

It is not a de Polignac number, because 2042314421 - 2³⁰ = 968572597 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 (2042314423) 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, 145879595 + ... + 145879608.

It is an arithmetic number, because the mean of its divisors is an integer number (583518408).

Almost surely, 2^2042314421 is an apocalyptic number.

It is an amenable number.

2042314421 is a deficient number, since it is larger than the sum of its proper divisors (291759211).

2042314421 is an equidigital number, since it uses as much as digits as its factorization.

2042314421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291759210.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2042314421 is about 45191.9729708717. The cubic root of 2042314421 is about 1268.7445839076.

Adding to 2042314421 its reverse (1244132402), we get a palindrome (3286446823).

The spelling of 2042314421 in words is "two billion, forty-two million, three hundred fourteen thousand, four hundred twenty-one".