8989242621 has 8 divisors (see below), whose sum is σ = 12154469184. Its totient is φ = 5908422240.

The previous prime is 8989242617. The next prime is 8989242623. The reversal of 8989242621 is 1262429898.

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

It is not a de Polignac number, because 8989242621 - 2² = 8989242617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8989242623) 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, 21101296 + ... + 21101721.

It is an arithmetic number, because the mean of its divisors is an integer number (1519308648).

Almost surely, 2^8989242621 is an apocalyptic number.

It is an amenable number.

8989242621 is a deficient number, since it is larger than the sum of its proper divisors (3165226563).

8989242621 is a wasteful number, since it uses less digits than its factorization.

8989242621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42203091.

The product of its digits is 995328, while the sum is 51.

The square root of 8989242621 is about 94811.6164876435. The cubic root of 8989242621 is about 2079.2547426394.

The spelling of 8989242621 in words is "eight billion, nine hundred eighty-nine million, two hundred forty-two thousand, six hundred twenty-one".