618989103 has 6 divisors (see below), whose sum is σ = 894095384. Its totient is φ = 412659396.

The previous prime is 618989089. The next prime is 618989123. The reversal of 618989103 is 301989816.

It is not a de Polignac number, because 618989103 - 2⁶ = 618989039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618989123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34388275 + ... + 34388292.

Almost surely, 2^618989103 is an apocalyptic number.

618989103 is a deficient number, since it is larger than the sum of its proper divisors (275106281).

618989103 is a wasteful number, since it uses less digits than its factorization.

618989103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68776573 (or 68776570 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 618989103 is about 24879.4916145809. The cubic root of 618989103 is about 852.2382087027.

The spelling of 618989103 in words is "six hundred eighteen million, nine hundred eighty-nine thousand, one hundred three".