9989226490 has 16 divisors (see below), whose sum is σ = 17982777600. Its totient is φ = 3995208400.

The previous prime is 9989226473. The next prime is 9989226491. The reversal of 9989226490 is 946229899.

It is not an unprimeable number, because it can be changed into a prime (9989226491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33711 + ... + 145309.

It is an arithmetic number, because the mean of its divisors is an integer number (1123923600).

Almost surely, 2^9989226490 is an apocalyptic number.

9989226490 is a deficient number, since it is larger than the sum of its proper divisors (7993551110).

9989226490 is a wasteful number, since it uses less digits than its factorization.

9989226490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120557.

The product of its (nonzero) digits is 5038848, while the sum is 58.

The square root of 9989226490 is about 99946.1179336146. The cubic root of 9989226490 is about 2153.6607178962.

The spelling of 9989226490 in words is "nine billion, nine hundred eighty-nine million, two hundred twenty-six thousand, four hundred ninety".