18482376549 has 32 divisors (see below), whose sum is σ = 30337613824. Its totient is φ = 9746516160.

The previous prime is 18482376529. The next prime is 18482376553. The reversal of 18482376549 is 94567328481.

It is a happy number.

It is not a de Polignac number, because 18482376549 - 2¹⁶ = 18482311013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18482376529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1788732 + ... + 1799034.

It is an arithmetic number, because the mean of its divisors is an integer number (948050432).

Almost surely, 2^18482376549 is an apocalyptic number.

It is an amenable number.

18482376549 is a deficient number, since it is larger than the sum of its proper divisors (11855237275).

18482376549 is a wasteful number, since it uses less digits than its factorization.

18482376549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16897.

The product of its digits is 11612160, while the sum is 57.

The spelling of 18482376549 in words is "eighteen billion, four hundred eighty-two million, three hundred seventy-six thousand, five hundred forty-nine".