18265733054 has 4 divisors (see below), whose sum is σ = 27398599584. Its totient is φ = 9132866526.

The previous prime is 18265733051. The next prime is 18265733063. The reversal of 18265733054 is 45033756281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45033756281 = 19 ⋅2370197699.

It is a junction number, because it is equal to n+sod(n) for n = 18265732996 and 18265733014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18265733051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4566433262 + ... + 4566433265.

It is an arithmetic number, because the mean of its divisors is an integer number (6849649896).

Almost surely, 2^18265733054 is an apocalyptic number.

18265733054 is a deficient number, since it is larger than the sum of its proper divisors (9132866530).

18265733054 is an equidigital number, since it uses as much as digits as its factorization.

18265733054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9132866529.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 18265733054 in words is "eighteen billion, two hundred sixty-five million, seven hundred thirty-three thousand, fifty-four".