613115064243 has 24 divisors (see below), whose sum is σ = 999435219120. Its totient is φ = 358771613760.

The previous prime is 613115064229. The next prime is 613115064253. The reversal of 613115064243 is 342460511316.

613115064243 is a `hidden beast` number, since 6 + 1 + 3 + 1 + 1 + 5 + 0 + 642 + 4 + 3 = 666.

It is not a de Polignac number, because 613115064243 - 2⁸ = 613115063987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 613115064198 and 613115064207.

It is not an unprimeable number, because it can be changed into a prime (613115064253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106774396 + ... + 106780137.

It is an arithmetic number, because the mean of its divisors is an integer number (41643134130).

Almost surely, 2^613115064243 is an apocalyptic number.

613115064243 is a deficient number, since it is larger than the sum of its proper divisors (386320154877).

613115064243 is a wasteful number, since it uses less digits than its factorization.

613115064243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213554579 (or 213554576 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 613115064243 its reverse (342460511316), we get a palindrome (955575575559).

The spelling of 613115064243 in words is "six hundred thirteen billion, one hundred fifteen million, sixty-four thousand, two hundred forty-three".