19760384089 has 4 divisors (see below), whose sum is σ = 20031074356. Its totient is φ = 19489693824.

The previous prime is 19760384081. The next prime is 19760384093. The reversal of 19760384089 is 98048306791.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15359388489 + 4400995600 = 123933^2 + 66340^2 .

It is a cyclic number.

It is not a de Polignac number, because 19760384089 - 2³ = 19760384081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19760384081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135345024 + ... + 135345169.

It is an arithmetic number, because the mean of its divisors is an integer number (5007768589).

Almost surely, 2^19760384089 is an apocalyptic number.

It is an amenable number.

19760384089 is a deficient number, since it is larger than the sum of its proper divisors (270690267).

19760384089 is an equidigital number, since it uses as much as digits as its factorization.

19760384089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270690266.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 19760384089 in words is "nineteen billion, seven hundred sixty million, three hundred eighty-four thousand, eighty-nine".