653602543243 has 8 divisors (see below), whose sum is σ = 703891496336. Its totient is φ = 603315280800.

The previous prime is 653602543241. The next prime is 653602543261. The reversal of 653602543243 is 342345206356.

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 653602543243 - 2¹ = 653602543241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 653602543243.

It is not an unprimeable number, because it can be changed into a prime (653602543241) 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, 446488 + ... + 1227418.

It is an arithmetic number, because the mean of its divisors is an integer number (87986437042).

Almost surely, 2^653602543243 is an apocalyptic number.

653602543243 is a deficient number, since it is larger than the sum of its proper divisors (50288953093).

653602543243 is a wasteful number, since it uses less digits than its factorization.

653602543243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845325.

The product of its (nonzero) digits is 1555200, while the sum is 43.

Adding to 653602543243 its reverse (342345206356), we get a palindrome (995947749599).

The spelling of 653602543243 in words is "six hundred fifty-three billion, six hundred two million, five hundred forty-three thousand, two hundred forty-three".