613121630621300 has 18 divisors (see below), whose sum is σ = 1330473938448438. Its totient is φ = 245248652248480.

The previous prime is 613121630621267. The next prime is 613121630621329. The reversal of 613121630621300 is 3126036121316.

613121630621300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 466661131876 + 612654969489424 = 683126^2 + 24751868^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3065608153007 + ... + 3065608153206.

It is an arithmetic number, because the mean of its divisors is an integer number (73915218802691).

Almost surely, 2^{613121630621300} is an apocalyptic number.

It is an amenable number.

613121630621300 is an abundant number, since it is smaller than the sum of its proper divisors (717352307827138).

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

613121630621300 is a wasteful number, since it uses less digits than its factorization.

613121630621300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6131216306227 (or 6131216306220 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

Adding to 613121630621300 its reverse (3126036121316), we get a palindrome (616247666742616).

The spelling of 613121630621300 in words is "six hundred thirteen trillion, one hundred twenty-one billion, six hundred thirty million, six hundred twenty-one thousand, three hundred".