5238353653 has 4 divisors (see below), whose sum is σ = 5641303948. Its totient is φ = 4835403360.

The previous prime is 5238353647. The next prime is 5238353663. The reversal of 5238353653 is 3563538325.

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 282475249 + 4955878404 = 16807^2 + 70398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5238353653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5238353623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201475128 + ... + 201475153.

It is an arithmetic number, because the mean of its divisors is an integer number (1410325987).

Almost surely, 2^5238353653 is an apocalyptic number.

It is an amenable number.

5238353653 is a deficient number, since it is larger than the sum of its proper divisors (402950295).

5238353653 is a wasteful number, since it uses less digits than its factorization.

5238353653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402950294.

The product of its digits is 972000, while the sum is 43.

The square root of 5238353653 is about 72376.4716810650. The cubic root of 5238353653 is about 1736.7271959473.

The spelling of 5238353653 in words is "five billion, two hundred thirty-eight million, three hundred fifty-three thousand, six hundred fifty-three".