18730550486 has 8 divisors (see below), whose sum is σ = 29002142784. Its totient is φ = 9063169560.

The previous prime is 18730550483. The next prime is 18730550491. The reversal of 18730550486 is 68405503781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 18730550486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18730550483) 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, 151052765 + ... + 151052888.

It is an arithmetic number, because the mean of its divisors is an integer number (3625267848).

Almost surely, 2^18730550486 is an apocalyptic number.

18730550486 is a deficient number, since it is larger than the sum of its proper divisors (10271592298).

18730550486 is a wasteful number, since it uses less digits than its factorization.

18730550486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302105686.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 18730550486 in words is "eighteen billion, seven hundred thirty million, five hundred fifty thousand, four hundred eighty-six".