18620340003 has 6 divisors (see below), whose sum is σ = 26896046684. Its totient is φ = 12413559996.

The previous prime is 18620340001. The next prime is 18620340019. The reversal of 18620340003 is 30004302681.

It is a happy number.

18620340003 is a `hidden beast` number, since 1 + 8 + 620 + 34 + 0 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 18620340003 - 2¹ = 18620340001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18620340001) 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, 1034463325 + ... + 1034463342.

Almost surely, 2^18620340003 is an apocalyptic number.

18620340003 is a deficient number, since it is larger than the sum of its proper divisors (8275706681).

18620340003 is a wasteful number, since it uses less digits than its factorization.

18620340003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068926673 (or 2068926670 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 18620340003 its reverse (30004302681), we get a palindrome (48624642684).

The spelling of 18620340003 in words is "eighteen billion, six hundred twenty million, three hundred forty thousand, three".