2421134421 has 16 divisors (see below), whose sum is σ = 3241413120. Its totient is φ = 1607486400.

The previous prime is 2421134389. The next prime is 2421134431. The reversal of 2421134421 is 1244311242.

It is not a de Polignac number, because 2421134421 - 2⁵ = 2421134389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2421134391 and 2421134400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421134431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1239996 + ... + 1241946.

It is an arithmetic number, because the mean of its divisors is an integer number (202588320).

Almost surely, 2^2421134421 is an apocalyptic number.

It is an amenable number.

2421134421 is a deficient number, since it is larger than the sum of its proper divisors (820278699).

2421134421 is a wasteful number, since it uses less digits than its factorization.

2421134421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436.

The product of its digits is 1536, while the sum is 24.

The square root of 2421134421 is about 49205.0243471132. The cubic root of 2421134421 is about 1342.7844419473.

Adding to 2421134421 its reverse (1244311242), we get a palindrome (3665445663).

The spelling of 2421134421 in words is "two billion, four hundred twenty-one million, one hundred thirty-four thousand, four hundred twenty-one".