18045282743 has 4 divisors (see below), whose sum is σ = 18047253600. Its totient is φ = 18043311888.

The previous prime is 18045282719. The next prime is 18045282751. The reversal of 18045282743 is 34728254081.

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 18045282743 - 2⁶ = 18045282679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18045282694 and 18045282703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18045282713) 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, 971630 + ... + 990027.

It is an arithmetic number, because the mean of its divisors is an integer number (4511813400).

Almost surely, 2^18045282743 is an apocalyptic number.

18045282743 is a deficient number, since it is larger than the sum of its proper divisors (1970857).

18045282743 is an equidigital number, since it uses as much as digits as its factorization.

18045282743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970856.

The product of its (nonzero) digits is 430080, while the sum is 44.

The spelling of 18045282743 in words is "eighteen billion, forty-five million, two hundred eighty-two thousand, seven hundred forty-three".