19964385119 has 12 divisors (see below), whose sum is σ = 23226633144. Its totient is φ = 17110299024.

The previous prime is 19964385107. The next prime is 19964385127. The reversal of 19964385119 is 91158346991.

It is not a de Polignac number, because 19964385119 - 2⁸ = 19964384863 is a prime.

It is a super-2 number, since 2×19964385119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19964385139) 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, 513737 + ... + 551229.

It is an arithmetic number, because the mean of its divisors is an integer number (1935552762).

Almost surely, 2^19964385119 is an apocalyptic number.

19964385119 is a deficient number, since it is larger than the sum of its proper divisors (3262248025).

19964385119 is a wasteful number, since it uses less digits than its factorization.

19964385119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48374 (or 48367 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 56.

The spelling of 19964385119 in words is "nineteen billion, nine hundred sixty-four million, three hundred eighty-five thousand, one hundred nineteen".