2442616521 has 8 divisors (see below), whose sum is σ = 3305431584. Its totient is φ = 1604106240.

The previous prime is 2442616499. The next prime is 2442616529. The reversal of 2442616521 is 1256162442.

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

It is not a de Polignac number, because 2442616521 - 2²¹ = 2440519369 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2442616529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6075960 + ... + 6076361.

It is an arithmetic number, because the mean of its divisors is an integer number (413178948).

Almost surely, 2^2442616521 is an apocalyptic number.

It is an amenable number.

2442616521 is a deficient number, since it is larger than the sum of its proper divisors (862815063).

2442616521 is a wasteful number, since it uses less digits than its factorization.

2442616521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12152391.

The product of its digits is 23040, while the sum is 33.

The square root of 2442616521 is about 49422.8340041321. The cubic root of 2442616521 is about 1346.7441468985.

Adding to 2442616521 its reverse (1256162442), we get a palindrome (3698778963).

The spelling of 2442616521 in words is "two billion, four hundred forty-two million, six hundred sixteen thousand, five hundred twenty-one".