18012248341 has 4 divisors (see below), whose sum is σ = 18015078400. Its totient is φ = 18009418284.

The previous prime is 18012248321. The next prime is 18012248381. The reversal of 18012248341 is 14384221081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18012248341 - 2⁷ = 18012248213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18012248297 and 18012248306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18012248321) 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, 1405461 + ... + 1418218.

It is an arithmetic number, because the mean of its divisors is an integer number (4503769600).

Almost surely, 2^18012248341 is an apocalyptic number.

It is an amenable number.

18012248341 is a deficient number, since it is larger than the sum of its proper divisors (2830059).

18012248341 is an equidigital number, since it uses as much as digits as its factorization.

18012248341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830058.

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 18012248341 in words is "eighteen billion, twelve million, two hundred forty-eight thousand, three hundred forty-one".