9018049809803 has 4 divisors (see below), whose sum is σ = 9018222222168. Its totient is φ = 9017877397440.

The previous prime is 9018049809767. The next prime is 9018049809877. The reversal of 9018049809803 is 3089089408109.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9018049809803 - 2¹² = 9018049805707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9018049806803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86127701 + ... + 86232342.

It is an arithmetic number, because the mean of its divisors is an integer number (2254555555542).

Almost surely, 2^{9018049809803} is an apocalyptic number.

9018049809803 is a deficient number, since it is larger than the sum of its proper divisors (172412365).

9018049809803 is a wasteful number, since it uses less digits than its factorization.

9018049809803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172412364.

The product of its (nonzero) digits is 4478976, while the sum is 59.

The spelling of 9018049809803 in words is "nine trillion, eighteen billion, forty-nine million, eight hundred nine thousand, eight hundred three".