18114461833 has 4 divisors (see below), whose sum is σ = 19507881988. Its totient is φ = 16721041680.

The previous prime is 18114461821. The next prime is 18114461857. The reversal of 18114461833 is 33816441181.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33816441181 = 60167 ⋅562043.

It can be written as a sum of positive squares in 2 ways, for example, as 4870364944 + 13244096889 = 69788^2 + 115083^2 .

It is a cyclic number.

It is not a de Polignac number, because 18114461833 - 2¹⁷ = 18114330761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18114461033) 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, 696710058 + ... + 696710083.

It is an arithmetic number, because the mean of its divisors is an integer number (4876970497).

Almost surely, 2^18114461833 is an apocalyptic number.

18114461833 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

18114461833 is a deficient number, since it is larger than the sum of its proper divisors (1393420155).

18114461833 is a wasteful number, since it uses less digits than its factorization.

18114461833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393420154.

The product of its digits is 55296, while the sum is 40.

It can be divided in two parts, 1811 and 4461833, that added together give a palindrome (4463644).

The spelling of 18114461833 in words is "eighteen billion, one hundred fourteen million, four hundred sixty-one thousand, eight hundred thirty-three".