18989285092498 has 16 divisors (see below), whose sum is σ = 32560321711680. Its totient is φ = 8136449651376.

The previous prime is 18989285092483. The next prime is 18989285092541. The reversal of 18989285092498 is 89429058298981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151217353 + ... + 151342876.

It is an arithmetic number, because the mean of its divisors is an integer number (2035020106980).

Almost surely, 2^{18989285092498} is an apocalyptic number.

18989285092498 is a deficient number, since it is larger than the sum of its proper divisors (13571036619182).

18989285092498 is a wasteful number, since it uses less digits than its factorization.

18989285092498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302564721.

The product of its (nonzero) digits is 2149908480, while the sum is 82.

The spelling of 18989285092498 in words is "eighteen trillion, nine hundred eighty-nine billion, two hundred eighty-five million, ninety-two thousand, four hundred ninety-eight".