9997184653 has 6 divisors (see below), whose sum is σ = 10163763402. Its totient is φ = 9833292720.

The previous prime is 9997184641. The next prime is 9997184657. The reversal of 9997184653 is 3564817999.

It can be written as a sum of positive squares in 3 ways, for example, as 2755515049 + 7241669604 = 52493^2 + 85098^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9997184653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9997184591 and 9997184600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997184657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1339626 + ... + 1347067.

It is an arithmetic number, because the mean of its divisors is an integer number (1693960567).

Almost surely, 2^9997184653 is an apocalyptic number.

It is an amenable number.

9997184653 is a deficient number, since it is larger than the sum of its proper divisors (166578749).

9997184653 is an equidigital number, since it uses as much as digits as its factorization.

9997184653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686815 (or 2686754 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 61.

The square root of 9997184653 is about 99985.9222740882. The cubic root of 9997184653 is about 2154.2324883471.

The spelling of 9997184653 in words is "nine billion, nine hundred ninety-seven million, one hundred eighty-four thousand, six hundred fifty-three".