18430225144259 has 4 divisors (see below), whose sum is σ = 18599309778720. Its totient is φ = 18261140509800.

The previous prime is 18430225144237. The next prime is 18430225144267. The reversal of 18430225144259 is 95244152203481.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18430225144259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18430225144459) 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, 84542317067 + ... + 84542317284.

It is an arithmetic number, because the mean of its divisors is an integer number (4649827444680).

Almost surely, 2^{18430225144259} is an apocalyptic number.

18430225144259 is a deficient number, since it is larger than the sum of its proper divisors (169084634461).

18430225144259 is a wasteful number, since it uses less digits than its factorization.

18430225144259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169084634460.

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 18430225144259 in words is "eighteen trillion, four hundred thirty billion, two hundred twenty-five million, one hundred forty-four thousand, two hundred fifty-nine".