656263345213 has 8 divisors (see below), whose sum is σ = 794133796032. Its totient is φ = 529422530496.

The previous prime is 656263345207. The next prime is 656263345217. The reversal of 656263345213 is 312543362656.

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 656263345213 - 2⁵ = 656263345181 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 (656263345217) 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, 2757408895 + ... + 2757409132.

It is an arithmetic number, because the mean of its divisors is an integer number (99266724504).

Almost surely, 2^656263345213 is an apocalyptic number.

It is an amenable number.

656263345213 is a deficient number, since it is larger than the sum of its proper divisors (137870450819).

656263345213 is a wasteful number, since it uses less digits than its factorization.

656263345213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514818051.

The product of its digits is 2332800, while the sum is 46.

The spelling of 656263345213 in words is "six hundred fifty-six billion, two hundred sixty-three million, three hundred forty-five thousand, two hundred thirteen".