8989522690 has 8 divisors (see below), whose sum is σ = 16181140860. Its totient is φ = 3595809072.

The previous prime is 8989522679. The next prime is 8989522721. The reversal of 8989522690 is 962259898.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8971688961 + 17833729 = 94719^2 + 4223^2 .

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

It is a super-2 number, since 2×8989522690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449476125 + ... + 449476144.

Almost surely, 2^8989522690 is an apocalyptic number.

8989522690 is a deficient number, since it is larger than the sum of its proper divisors (7191618170).

8989522690 is a wasteful number, since it uses less digits than its factorization.

8989522690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898952276.

The product of its (nonzero) digits is 5598720, while the sum is 58.

The square root of 8989522690 is about 94813.0934523286. The cubic root of 8989522690 is about 2079.2763361808.

The spelling of 8989522690 in words is "eight billion, nine hundred eighty-nine million, five hundred twenty-two thousand, six hundred ninety".