19118913714 has 96 divisors (see below), whose sum is σ = 44306196480. Its totient is φ = 5945363424.

The previous prime is 19118913661. The next prime is 19118913719. The reversal of 19118913714 is 41731981191.

19118913714 is a `hidden beast` number, since 191 + 1 + 8 + 91 + 371 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 19118913714.

It is not an unprimeable number, because it can be changed into a prime (19118913719) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2711077 + ... + 2718119.

It is an arithmetic number, because the mean of its divisors is an integer number (461522880).

Almost surely, 2^19118913714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19118913714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22153098240).

19118913714 is an abundant number, since it is smaller than the sum of its proper divisors (25187282766).

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

19118913714 is a wasteful number, since it uses less digits than its factorization.

19118913714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7236 (or 7233 counting only the distinct ones).

The product of its digits is 54432, while the sum is 45.

The spelling of 19118913714 in words is "nineteen billion, one hundred eighteen million, nine hundred thirteen thousand, seven hundred fourteen".