9821117253 has 8 divisors (see below), whose sum is σ = 13113506016. Its totient is φ = 6538070000.

The previous prime is 9821117249. The next prime is 9821117261. The reversal of 9821117253 is 3527111289.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9821117253 - 2² = 9821117249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9821117203) 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, 2332923 + ... + 2337128.

It is an arithmetic number, because the mean of its divisors is an integer number (1639188252).

Almost surely, 2^9821117253 is an apocalyptic number.

It is an amenable number.

9821117253 is a deficient number, since it is larger than the sum of its proper divisors (3292388763).

9821117253 is a wasteful number, since it uses less digits than its factorization.

9821117253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670755.

The product of its digits is 30240, while the sum is 39.

The square root of 9821117253 is about 99101.5502048278. The cubic root of 9821117253 is about 2141.5109465856.

The spelling of 9821117253 in words is "nine billion, eight hundred twenty-one million, one hundred seventeen thousand, two hundred fifty-three".