18843813496 has 8 divisors (see below), whose sum is σ = 35332150320. Its totient is φ = 9421906744.

The previous prime is 18843813493. The next prime is 18843813529. The reversal of 18843813496 is 69431834881.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18843813493) 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 as a sum of consecutive naturals, namely, 1177738336 + ... + 1177738351.

It is an arithmetic number, because the mean of its divisors is an integer number (4416518790).

Almost surely, 2^18843813496 is an apocalyptic number.

It is an amenable number.

18843813496 is a deficient number, since it is larger than the sum of its proper divisors (16488336824).

18843813496 is a wasteful number, since it uses less digits than its factorization.

18843813496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355476693 (or 2355476689 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 55.

The spelling of 18843813496 in words is "eighteen billion, eight hundred forty-three million, eight hundred thirteen thousand, four hundred ninety-six".