918853849811 has 4 divisors (see below), whose sum is σ = 918938571072. Its totient is φ = 918769128552.

The previous prime is 918853849729. The next prime is 918853849853. The reversal of 918853849811 is 118948358819.

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 918853849811 - 2¹⁴ = 918853833427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918853849411) 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, 42344360 + ... + 42366053.

It is an arithmetic number, because the mean of its divisors is an integer number (229734642768).

Almost surely, 2^918853849811 is an apocalyptic number.

918853849811 is a deficient number, since it is larger than the sum of its proper divisors (84721261).

918853849811 is a wasteful number, since it uses less digits than its factorization.

918853849811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84721260.

The product of its digits is 19906560, while the sum is 65.

The spelling of 918853849811 in words is "nine hundred eighteen billion, eight hundred fifty-three million, eight hundred forty-nine thousand, eight hundred eleven".