2442621621 has 16 divisors (see below), whose sum is σ = 3553731648. Its totient is φ = 1480032000.

The previous prime is 2442621593. The next prime is 2442621641. The reversal of 2442621621 is 1261262442.

It is not a de Polignac number, because 2442621621 - 2²⁹ = 1905750709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442621641) 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 15 ways as a sum of consecutive naturals, for example, 262765 + ... + 271901.

It is an arithmetic number, because the mean of its divisors is an integer number (222108228).

Almost surely, 2^2442621621 is an apocalyptic number.

It is an amenable number.

2442621621 is a deficient number, since it is larger than the sum of its proper divisors (1111110027).

2442621621 is a wasteful number, since it uses less digits than its factorization.

2442621621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17252.

The product of its digits is 9216, while the sum is 30.

The square root of 2442621621 is about 49422.8855996895. The cubic root of 2442621621 is about 1346.7450841980.

The spelling of 2442621621 in words is "two billion, four hundred forty-two million, six hundred twenty-one thousand, six hundred twenty-one".