19053937289 has 2 divisors, whose sum is σ = 19053937290. Its totient is φ = 19053937288.

The previous prime is 19053937277. The next prime is 19053937319. The reversal of 19053937289 is 98273935091.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19041792064 + 12145225 = 137992^2 + 3485^2 .

It is a cyclic number.

It is not a de Polignac number, because 19053937289 - 2²⁰ = 19052888713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (19053937489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9526968644 + 9526968645.

It is an arithmetic number, because the mean of its divisors is an integer number (9526968645).

Almost surely, 2^19053937289 is an apocalyptic number.

It is an amenable number.

19053937289 is a deficient number, since it is larger than the sum of its proper divisors (1).

19053937289 is an equidigital number, since it uses as much as digits as its factorization.

19053937289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The spelling of 19053937289 in words is "nineteen billion, fifty-three million, nine hundred thirty-seven thousand, two hundred eighty-nine".