18049127405473 has 16 divisors (see below), whose sum is σ = 18899741145600. Its totient is φ = 17213801718400.

The previous prime is 18049127405467. The next prime is 18049127405503. The reversal of 18049127405473 is 37450472194081.

It is a happy number.

It is not a de Polignac number, because 18049127405473 - 2⁹ = 18049127404961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18049127409473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13316688 + ... + 14609326.

It is an arithmetic number, because the mean of its divisors is an integer number (1181233821600).

Almost surely, 2^{18049127405473} is an apocalyptic number.

It is an amenable number.

18049127405473 is a deficient number, since it is larger than the sum of its proper divisors (850613740127).

18049127405473 is a wasteful number, since it uses less digits than its factorization.

18049127405473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298552.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 18049127405473 in words is "eighteen trillion, forty-nine billion, one hundred twenty-seven million, four hundred five thousand, four hundred seventy-three".