19119807936 has 84 divisors (see below), whose sum is σ = 54837159312. Its totient is φ = 6369352704.

The previous prime is 19119807871. The next prime is 19119807937. The reversal of 19119807936 is 63970891191.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19119807937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1017700 + ... + 1036316.

Almost surely, 2^19119807936 is an apocalyptic number.

19119807936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19119807936 is an abundant number, since it is smaller than the sum of its proper divisors (35717351376).

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

19119807936 is a wasteful number, since it uses less digits than its factorization.

19119807936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20418 (or 20405 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 54.

The spelling of 19119807936 in words is "nineteen billion, one hundred nineteen million, eight hundred seven thousand, nine hundred thirty-six".