618735983859 has 24 divisors (see below), whose sum is σ = 1021909048160. Its totient is φ = 353389091328.

The previous prime is 618735983857. The next prime is 618735983863. The reversal of 618735983859 is 958389537816.

618735983859 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 618735983859 - 2¹ = 618735983857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (618735983857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2292382 + ... + 2548035.

Almost surely, 2^618735983859 is an apocalyptic number.

618735983859 is a deficient number, since it is larger than the sum of its proper divisors (403173064301).

618735983859 is a wasteful number, since it uses less digits than its factorization.

618735983859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842459 (or 4842456 counting only the distinct ones).

The product of its digits is 391910400, while the sum is 72.

The spelling of 618735983859 in words is "six hundred eighteen billion, seven hundred thirty-five million, nine hundred eighty-three thousand, eight hundred fifty-nine".