19181819096 has 32 divisors (see below), whose sum is σ = 39255148800. Its totient is φ = 8714651040.

The previous prime is 19181819087. The next prime is 19181819141. The reversal of 19181819096 is 69091818191.

It is a congruent number.

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, 125981 + ... + 232883.

It is an arithmetic number, because the mean of its divisors is an integer number (1226723400).

Almost surely, 2^19181819096 is an apocalyptic number.

It is an amenable number.

19181819096 is an abundant number, since it is smaller than the sum of its proper divisors (20073329704).

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

19181819096 is a wasteful number, since it uses less digits than its factorization.

19181819096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108959 (or 108955 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 53.

The spelling of 19181819096 in words is "nineteen billion, one hundred eighty-one million, eight hundred nineteen thousand, ninety-six".