2421542441 has 8 divisors (see below), whose sum is σ = 2633283720. Its totient is φ = 2217500928.

The previous prime is 2421542411. The next prime is 2421542479. The reversal of 2421542441 is 1442451242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1459240000 + 962302441 = 38200^2 + 31021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2421542441 - 2³⁰ = 1347800617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421542411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924286 + ... + 1925543.

It is an arithmetic number, because the mean of its divisors is an integer number (329160465).

Almost surely, 2^2421542441 is an apocalyptic number.

It is an amenable number.

2421542441 is a deficient number, since it is larger than the sum of its proper divisors (211741279).

2421542441 is a wasteful number, since it uses less digits than its factorization.

2421542441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849883.

The product of its digits is 10240, while the sum is 29.

The square root of 2421542441 is about 49209.1702937572. The cubic root of 2421542441 is about 1342.8598683162.

Adding to 2421542441 its reverse (1442451242), we get a palindrome (3863993683).

The spelling of 2421542441 in words is "two billion, four hundred twenty-one million, five hundred forty-two thousand, four hundred forty-one".