18994569096 has 32 divisors (see below), whose sum is σ = 48496775040. Its totient is φ = 6196809408.

The previous prime is 18994569079. The next prime is 18994569103. The reversal of 18994569096 is 69096549981.

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, 8418451 + ... + 8420706.

It is an arithmetic number, because the mean of its divisors is an integer number (1515524220).

Almost surely, 2^18994569096 is an apocalyptic number.

It is an amenable number.

18994569096 is an abundant number, since it is smaller than the sum of its proper divisors (29502205944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18994569096 is a wasteful number, since it uses less digits than its factorization.

18994569096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16839213 (or 16839209 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 66.

The spelling of 18994569096 in words is "eighteen billion, nine hundred ninety-four million, five hundred sixty-nine thousand, ninety-six".