9979567653 has 8 divisors (see below), whose sum is σ = 14515734816. Its totient is φ = 6048222800.

The previous prime is 9979567651. The next prime is 9979567679. The reversal of 9979567653 is 3567659799.

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 9979567653 - 2¹ = 9979567651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9979567651) 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, 151205538 + ... + 151205603.

It is an arithmetic number, because the mean of its divisors is an integer number (1814466852).

Almost surely, 2^9979567653 is an apocalyptic number.

It is an amenable number.

9979567653 is a deficient number, since it is larger than the sum of its proper divisors (4536167163).

9979567653 is a wasteful number, since it uses less digits than its factorization.

9979567653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302411155.

The product of its digits is 96446700, while the sum is 66.

The square root of 9979567653 is about 99897.7860265181. The cubic root of 9979567653 is about 2152.9663509510.

The spelling of 9979567653 in words is "nine billion, nine hundred seventy-nine million, five hundred sixty-seven thousand, six hundred fifty-three".