18463854245 has 8 divisors (see below), whose sum is σ = 22222373784. Its totient is φ = 14727250944.

The previous prime is 18463854229. The next prime is 18463854251. The reversal of 18463854245 is 54245836481.

It can be written as a sum of positive squares in 4 ways, for example, as 132319009 + 18331535236 = 11503^2 + 135394^2 .

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 18463854245 - 2⁴ = 18463854229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18463854193 and 18463854202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5477204 + ... + 5480573.

It is an arithmetic number, because the mean of its divisors is an integer number (2777796723).

Almost surely, 2^18463854245 is an apocalyptic number.

It is an amenable number.

18463854245 is a deficient number, since it is larger than the sum of its proper divisors (3758519539).

18463854245 is a wasteful number, since it uses less digits than its factorization.

18463854245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10958119.

The product of its digits is 3686400, while the sum is 50.

The spelling of 18463854245 in words is "eighteen billion, four hundred sixty-three million, eight hundred fifty-four thousand, two hundred forty-five".