2421542433 has 16 divisors (see below), whose sum is σ = 3243800000. Its totient is φ = 1606841280.

The previous prime is 2421542411. The next prime is 2421542479. The reversal of 2421542433 is 3342451242.

It is not a de Polignac number, because 2421542433 - 2⁸ = 2421542177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421542433.

It is not an unprimeable number, because it can be changed into a prime (2421542633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690318 + ... + 693816.

It is an arithmetic number, because the mean of its divisors is an integer number (202737500).

Almost surely, 2^2421542433 is an apocalyptic number.

It is an amenable number.

2421542433 is a deficient number, since it is larger than the sum of its proper divisors (822257567).

2421542433 is a wasteful number, since it uses less digits than its factorization.

2421542433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512.

The product of its digits is 23040, while the sum is 30.

The square root of 2421542433 is about 49209.1702124716. The cubic root of 2421542433 is about 1342.8598668374.

Adding to 2421542433 its reverse (3342451242), we get a palindrome (5763993675).

The spelling of 2421542433 in words is "two billion, four hundred twenty-one million, five hundred forty-two thousand, four hundred thirty-three".