19384619016 has 32 divisors (see below), whose sum is σ = 55384626240. Its totient is φ = 5538462528.

The previous prime is 19384619011. The next prime is 19384619017. The reversal of 19384619016 is 61091648391.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19384619011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57692151 + ... + 57692486.

It is an arithmetic number, because the mean of its divisors is an integer number (1730769570).

Almost surely, 2^19384619016 is an apocalyptic number.

It is an amenable number.

19384619016 is an abundant number, since it is smaller than the sum of its proper divisors (36000007224).

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

19384619016 is a wasteful number, since it uses less digits than its factorization.

19384619016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115384653 (or 115384649 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 19384619016 in words is "nineteen billion, three hundred eighty-four million, six hundred nineteen thousand, sixteen".