613663620470 has 16 divisors (see below), whose sum is σ = 1118576727360. Its totient is φ = 242358290304.

The previous prime is 613663620419. The next prime is 613663620473. The reversal of 613663620470 is 74026366316.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613663620473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388393907 + ... + 388395486.

It is an arithmetic number, because the mean of its divisors is an integer number (69911045460).

Almost surely, 2^613663620470 is an apocalyptic number.

613663620470 is a deficient number, since it is larger than the sum of its proper divisors (504913106890).

613663620470 is a wasteful number, since it uses less digits than its factorization.

613663620470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776789479.

The product of its (nonzero) digits is 653184, while the sum is 44.

Adding to 613663620470 its reverse (74026366316), we get a palindrome (687689986786).

The spelling of 613663620470 in words is "six hundred thirteen billion, six hundred sixty-three million, six hundred twenty thousand, four hundred seventy".