613831857568 has 24 divisors (see below), whose sum is σ = 1272085758720. Its totient is φ = 290762458560.

The previous prime is 613831857547. The next prime is 613831857577. The reversal of 613831857568 is 865758138316.

It is a happy number.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504795328 + ... + 504796543.

It is an arithmetic number, because the mean of its divisors is an integer number (53003573280).

Almost surely, 2^613831857568 is an apocalyptic number.

It is an amenable number.

613831857568 is an abundant number, since it is smaller than the sum of its proper divisors (658253901152).

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

613831857568 is a wasteful number, since it uses less digits than its factorization.

613831857568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009591900 (or 1009591892 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 61.

The spelling of 613831857568 in words is "six hundred thirteen billion, eight hundred thirty-one million, eight hundred fifty-seven thousand, five hundred sixty-eight".