653602543244 has 12 divisors (see below), whose sum is σ = 1307205086544. Its totient is φ = 280115375664.

The previous prime is 653602543241. The next prime is 653602543261. The reversal of 653602543244 is 442345206356.

653602543244 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 653602543195 and 653602543204.

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 3 ways as a sum of consecutive naturals, for example, 11671473959 + ... + 11671474014.

It is an arithmetic number, because the mean of its divisors is an integer number (108933757212).

Almost surely, 2^653602543244 is an apocalyptic number.

It is an amenable number.

653602543244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

653602543244 is a wasteful number, since it uses less digits than its factorization.

653602543244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23342947984 (or 23342947982 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 653602543244 in words is "six hundred fifty-three billion, six hundred two million, five hundred forty-three thousand, two hundred forty-four".