18846903369 has 24 divisors (see below), whose sum is σ = 29711157888. Its totient is φ = 10593102240.

The previous prime is 18846903349. The next prime is 18846903371. The reversal of 18846903369 is 96330964881.

It is a happy number.

It is not a de Polignac number, because 18846903369 - 2⁵ = 18846903337 is a prime.

It is a super-2 number, since 2×18846903369² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18846903319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1041937 + ... + 1059870.

It is an arithmetic number, because the mean of its divisors is an integer number (1237964912).

Almost surely, 2^18846903369 is an apocalyptic number.

It is an amenable number.

18846903369 is a deficient number, since it is larger than the sum of its proper divisors (10864254519).

18846903369 is a wasteful number, since it uses less digits than its factorization.

18846903369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101885 (or 2101878 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 18846903369 in words is "eighteen billion, eight hundred forty-six million, nine hundred three thousand, three hundred sixty-nine".