618774784713 has 48 divisors (see below), whose sum is σ = 931389338880. Its totient is φ = 410518550736.

The previous prime is 618774784681. The next prime is 618774784721. The reversal of 618774784713 is 317487477816.

618774784713 is a `hidden beast` number, since 618 + 7 + 7 + 4 + 7 + 8 + 4 + 7 + 1 + 3 = 666.

It is not a de Polignac number, because 618774784713 - 2⁵ = 618774784681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (618774784813) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43002106 + ... + 43016492.

It is an arithmetic number, because the mean of its divisors is an integer number (19403944560).

Almost surely, 2^618774784713 is an apocalyptic number.

It is an amenable number.

618774784713 is a deficient number, since it is larger than the sum of its proper divisors (312614554167).

618774784713 is a wasteful number, since it uses less digits than its factorization.

618774784713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15248 (or 15236 counting only the distinct ones).

The product of its digits is 44255232, while the sum is 63.

The spelling of 618774784713 in words is "six hundred eighteen billion, seven hundred seventy-four million, seven hundred eighty-four thousand, seven hundred thirteen".