19383210853 has 2 divisors, whose sum is σ = 19383210854. Its totient is φ = 19383210852.

The previous prime is 19383210851. The next prime is 19383210871. The reversal of 19383210853 is 35801238391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19216336129 + 166874724 = 138623^2 + 12918^2 .

It is a cyclic number.

It is not a de Polignac number, because 19383210853 - 2¹ = 19383210851 is a prime.

Together with 19383210851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19383210851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9691605426 + 9691605427.

It is an arithmetic number, because the mean of its divisors is an integer number (9691605427).

Almost surely, 2^19383210853 is an apocalyptic number.

It is an amenable number.

19383210853 is a deficient number, since it is larger than the sum of its proper divisors (1).

19383210853 is an equidigital number, since it uses as much as digits as its factorization.

19383210853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 19383210853 in words is "nineteen billion, three hundred eighty-three million, two hundred ten thousand, eight hundred fifty-three".