5298665653 has 4 divisors (see below), whose sum is σ = 5371250188. Its totient is φ = 5226081120.

The previous prime is 5298665639. The next prime is 5298665663. The reversal of 5298665653 is 3565668925.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3452502564 + 1846163089 = 58758^2 + 42967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5298665653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5298665594 and 5298665603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5298665633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36292158 + ... + 36292303.

It is an arithmetic number, because the mean of its divisors is an integer number (1342812547).

Almost surely, 2^5298665653 is an apocalyptic number.

It is an amenable number.

5298665653 is a deficient number, since it is larger than the sum of its proper divisors (72584535).

5298665653 is an equidigital number, since it uses as much as digits as its factorization.

5298665653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72584534.

The product of its digits is 11664000, while the sum is 55.

The square root of 5298665653 is about 72791.9339831001. The cubic root of 5298665653 is about 1743.3670712562.

The spelling of 5298665653 in words is "five billion, two hundred ninety-eight million, six hundred sixty-five thousand, six hundred fifty-three".