653602543242 has 32 divisors (see below), whose sum is σ = 1509926733504. Its totient is φ = 186410707200.

The previous prime is 653602543241. The next prime is 653602543261. The reversal of 653602543242 is 242345206356.

It is a junction number, because it is equal to n+sod(n) for n = 653602543194 and 653602543203.

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 15 ways as a sum of consecutive naturals, for example, 291265609 + ... + 291267852.

It is an arithmetic number, because the mean of its divisors is an integer number (47185210422).

Almost surely, 2^653602543242 is an apocalyptic number.

653602543242 is an abundant number, since it is smaller than the sum of its proper divisors (856324190262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

653602543242 is a wasteful number, since it uses less digits than its factorization.

653602543242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582533494.

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 653602543242 its reverse (242345206356), we get a palindrome (895947749598).

The spelling of 653602543242 in words is "six hundred fifty-three billion, six hundred two million, five hundred forty-three thousand, two hundred forty-two".