18254672242271 has 4 divisors (see below), whose sum is σ = 18442864739712. Its totient is φ = 18066479744832.

The previous prime is 18254672242237. The next prime is 18254672242273. The reversal of 18254672242271 is 17224227645281.

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 18254672242271 - 2¹⁴ = 18254672225887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18254672242273) 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, 94096248575 + ... + 94096248768.

It is an arithmetic number, because the mean of its divisors is an integer number (4610716184928).

Almost surely, 2^{18254672242271} is an apocalyptic number.

18254672242271 is a deficient number, since it is larger than the sum of its proper divisors (188192497441).

18254672242271 is an equidigital number, since it uses as much as digits as its factorization.

18254672242271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188192497440.

The product of its digits is 6021120, while the sum is 53.

The spelling of 18254672242271 in words is "eighteen trillion, two hundred fifty-four billion, six hundred seventy-two million, two hundred forty-two thousand, two hundred seventy-one".