18042814753 has 4 divisors (see below), whose sum is σ = 18043306308. Its totient is φ = 18042323200.

The previous prime is 18042814747. The next prime is 18042814793. The reversal of 18042814753 is 35741824081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35741824081 = 89 ⋅401593529.

It can be written as a sum of positive squares in 2 ways, for example, as 5351215104 + 12691599649 = 73152^2 + 112657^2 .

It is a cyclic number.

It is not a de Polignac number, because 18042814753 - 2³³ = 9452880161 is a prime.

It is a super-2 number, since 2×18042814753² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18042814733) 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, 185848 + ... + 265753.

It is an arithmetic number, because the mean of its divisors is an integer number (4510826577).

Almost surely, 2^18042814753 is an apocalyptic number.

It is an amenable number.

18042814753 is a deficient number, since it is larger than the sum of its proper divisors (491555).

18042814753 is an equidigital number, since it uses as much as digits as its factorization.

18042814753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491554.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 18042814753 in words is "eighteen billion, forty-two million, eight hundred fourteen thousand, seven hundred fifty-three".