18489084958 has 8 divisors (see below), whose sum is σ = 27734875128. Its totient is φ = 9244126584.

The previous prime is 18489084953. The next prime is 18489085067. The reversal of 18489084958 is 85948098481.

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 18489084958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18489084953) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 149041 + ... + 243292.

It is an arithmetic number, because the mean of its divisors is an integer number (3466859391).

Almost surely, 2^18489084958 is an apocalyptic number.

18489084958 is a deficient number, since it is larger than the sum of its proper divisors (9245790170).

18489084958 is a wasteful number, since it uses less digits than its factorization.

18489084958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415898.

The product of its (nonzero) digits is 26542080, while the sum is 64.

The spelling of 18489084958 in words is "eighteen billion, four hundred eighty-nine million, eighty-four thousand, nine hundred fifty-eight".