18294125943 has 4 divisors (see below), whose sum is σ = 24392167928. Its totient is φ = 12196083960.

The previous prime is 18294125933. The next prime is 18294125947. The reversal of 18294125943 is 34952149281.

It is a happy number.

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

It is not a de Polignac number, because 18294125943 - 2¹² = 18294121847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18294125892 and 18294125901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18294125947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3049020988 + ... + 3049020993.

It is an arithmetic number, because the mean of its divisors is an integer number (6098041982).

Almost surely, 2^18294125943 is an apocalyptic number.

18294125943 is a deficient number, since it is larger than the sum of its proper divisors (6098041985).

18294125943 is an equidigital number, since it uses as much as digits as its factorization.

18294125943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6098041984.

The product of its digits is 622080, while the sum is 48.

The spelling of 18294125943 in words is "eighteen billion, two hundred ninety-four million, one hundred twenty-five thousand, nine hundred forty-three".