18298127043 has 80 divisors (see below), whose sum is σ = 32690211840. Its totient is φ = 9972984384.

The previous prime is 18298127033. The next prime is 18298127059. The reversal of 18298127043 is 34072189281.

It is a happy number.

It is not a de Polignac number, because 18298127043 - 2²⁰ = 18297078467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18298127043.

It is not an unprimeable number, because it can be changed into a prime (18298127033) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5071146 + ... + 5074752.

It is an arithmetic number, because the mean of its divisors is an integer number (408627648).

Almost surely, 2^18298127043 is an apocalyptic number.

18298127043 is a deficient number, since it is larger than the sum of its proper divisors (14392084797).

18298127043 is a wasteful number, since it uses less digits than its factorization.

18298127043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038 (or 4029 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 18298127043 in words is "eighteen billion, two hundred ninety-eight million, one hundred twenty-seven thousand, forty-three".