653443242344356 has 12 divisors (see below), whose sum is σ = 1143911609214192. Its totient is φ = 326611353997448.

The previous prime is 653443242344351. The next prime is 653443242344381.

653443242344356 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 653443242344356.

It is not an unprimeable number, because it can be changed into a prime (653443242344351) 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, 27566780350 + ... + 27566804053.

It is an arithmetic number, because the mean of its divisors is an integer number (95325967434516).

Almost surely, 2^{653443242344356} is an apocalyptic number.

It is an amenable number.

653443242344356 is a deficient number, since it is larger than the sum of its proper divisors (490468366869836).

653443242344356 is a wasteful number, since it uses less digits than its factorization.

653443242344356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55133587370 (or 55133587368 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 58.

The spelling of 653443242344356 in words is "six hundred fifty-three trillion, four hundred forty-three billion, two hundred forty-two million, three hundred forty-four thousand, three hundred fifty-six".