618454983728 has 20 divisors (see below), whose sum is σ = 1204530131328. Its totient is φ = 307608498240.

The previous prime is 618454983701. The next prime is 618454983743. The reversal of 618454983728 is 827389454816.

618454983728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101183951 + ... + 101190062.

Almost surely, 2^618454983728 is an apocalyptic number.

It is an amenable number.

618454983728 is a deficient number, since it is larger than the sum of its proper divisors (586075147600).

618454983728 is a wasteful number, since it uses less digits than its factorization.

618454983728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202374212 (or 202374206 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 65.

The spelling of 618454983728 in words is "six hundred eighteen billion, four hundred fifty-four million, nine hundred eighty-three thousand, seven hundred twenty-eight".