18450031343 has 8 divisors (see below), whose sum is σ = 18508655616. Its totient is φ = 18391456800.

The previous prime is 18450031319. The next prime is 18450031363. The reversal of 18450031343 is 34313005481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18450031343 - 2¹⁴ = 18450014959 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 (18450031363) 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 in 7 ways as a sum of consecutive naturals, for example, 817298 + ... + 839568.

It is an arithmetic number, because the mean of its divisors is an integer number (2313581952).

Almost surely, 2^18450031343 is an apocalyptic number.

18450031343 is a deficient number, since it is larger than the sum of its proper divisors (58624273).

18450031343 is a wasteful number, since it uses less digits than its factorization.

18450031343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24865.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 18450031343 in words is "eighteen billion, four hundred fifty million, thirty-one thousand, three hundred forty-three".