18676419898 has 16 divisors (see below), whose sum is σ = 29392404480. Its totient is φ = 8888828400.

The previous prime is 18676419889. The next prime is 18676419907. The reversal of 18676419898 is 89891467681.

18676419898 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (18676419889) and next prime (18676419907).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2465338 + ... + 2472901.

It is an arithmetic number, because the mean of its divisors is an integer number (1837025280).

Almost surely, 2^18676419898 is an apocalyptic number.

18676419898 is a deficient number, since it is larger than the sum of its proper divisors (10715984582).

18676419898 is a wasteful number, since it uses less digits than its factorization.

18676419898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4938333.

The product of its digits is 41803776, while the sum is 67.

The spelling of 18676419898 in words is "eighteen billion, six hundred seventy-six million, four hundred nineteen thousand, eight hundred ninety-eight".