613243564625 has 16 divisors (see below), whose sum is σ = 765381726720. Its totient is φ = 490560391600.

The previous prime is 613243564613. The next prime is 613243564639. The reversal of 613243564625 is 526465342316.

It is not a de Polignac number, because 613243564625 - 2¹⁸ = 613243302481 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 613243564625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695014 + ... + 2024736.

It is an arithmetic number, because the mean of its divisors is an integer number (47836357920).

Almost surely, 2^613243564625 is an apocalyptic number.

It is an amenable number.

613243564625 is a deficient number, since it is larger than the sum of its proper divisors (152138162095).

613243564625 is a wasteful number, since it uses less digits than its factorization.

613243564625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344617 (or 344607 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 47.

The spelling of 613243564625 in words is "six hundred thirteen billion, two hundred forty-three million, five hundred sixty-four thousand, six hundred twenty-five".