2042412421 has 16 divisors (see below), whose sum is σ = 2349792000. Its totient is φ = 1738965888.

The previous prime is 2042412371. The next prime is 2042412439. The reversal of 2042412421 is 1242142402.

It is a cyclic number.

It is not a de Polignac number, because 2042412421 - 2²⁹ = 1505541509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2042412392 and 2042412401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042412451) 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 15 ways as a sum of consecutive naturals, for example, 1661235 + ... + 1662463.

It is an arithmetic number, because the mean of its divisors is an integer number (146862000).

Almost surely, 2^2042412421 is an apocalyptic number.

It is an amenable number.

2042412421 is a deficient number, since it is larger than the sum of its proper divisors (307379579).

2042412421 is a wasteful number, since it uses less digits than its factorization.

2042412421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2042412421 is about 45193.0572212149. The cubic root of 2042412421 is about 1268.7648770579.

Adding to 2042412421 its reverse (1242142402), we get a palindrome (3284554823).

The spelling of 2042412421 in words is "two billion, forty-two million, four hundred twelve thousand, four hundred twenty-one".