2488561621 has 16 divisors (see below), whose sum is σ = 3065731200. Its totient is φ = 1967116608.

The previous prime is 2488561561. The next prime is 2488561657. The reversal of 2488561621 is 1261658842.

It is a cyclic number.

It is not a de Polignac number, because 2488561621 - 2¹¹ = 2488559573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2488561681) 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, 88590 + ... + 113248.

It is an arithmetic number, because the mean of its divisors is an integer number (191608200).

Almost surely, 2^2488561621 is an apocalyptic number.

It is an amenable number.

2488561621 is a deficient number, since it is larger than the sum of its proper divisors (577169579).

2488561621 is a wasteful number, since it uses less digits than its factorization.

2488561621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25788.

The product of its digits is 184320, while the sum is 43.

The square root of 2488561621 is about 49885.4850733157. The cubic root of 2488561621 is about 1355.1357409072.

The spelling of 2488561621 in words is "two billion, four hundred eighty-eight million, five hundred sixty-one thousand, six hundred twenty-one".