618553048959 has 12 divisors (see below), whose sum is σ = 904230161016. Its totient is φ = 407400401232.

The previous prime is 618553048957. The next prime is 618553048999. The reversal of 618553048959 is 959840355816.

618553048959 is a `hidden beast` number, since 6 + 1 + 8 + 5 + 530 + 4 + 8 + 95 + 9 = 666.

618553048959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 618553048959 - 2¹ = 618553048957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 618553048896 and 618553048905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618553048957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414024052 + ... + 414025545.

It is an arithmetic number, because the mean of its divisors is an integer number (75352513418).

Almost surely, 2^618553048959 is an apocalyptic number.

618553048959 is a deficient number, since it is larger than the sum of its proper divisors (285677112057).

618553048959 is a wasteful number, since it uses less digits than its factorization.

618553048959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828049686 (or 828049683 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 63.

The spelling of 618553048959 in words is "six hundred eighteen billion, five hundred fifty-three million, forty-eight thousand, nine hundred fifty-nine".