9989047653 has 8 divisors (see below), whose sum is σ = 14343247968. Its totient is φ = 6147106224.

The previous prime is 9989047603. The next prime is 9989047661. The reversal of 9989047653 is 3567409899.

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

It is not a de Polignac number, because 9989047653 - 2⁹ = 9989047141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9989047603) 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, 128064675 + ... + 128064752.

It is an arithmetic number, because the mean of its divisors is an integer number (1792905996).

Almost surely, 2^9989047653 is an apocalyptic number.

It is an amenable number.

9989047653 is a deficient number, since it is larger than the sum of its proper divisors (4354200315).

9989047653 is a wasteful number, since it uses less digits than its factorization.

9989047653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256129443.

The product of its (nonzero) digits is 14696640, while the sum is 60.

The square root of 9989047653 is about 99945.2232625452. The cubic root of 9989047653 is about 2153.6478654990.

The spelling of 9989047653 in words is "nine billion, nine hundred eighty-nine million, forty-seven thousand, six hundred fifty-three".