19835345233 has 6 divisors (see below), whose sum is σ = 21802487042. Its totient is φ = 18032131920.

The previous prime is 19835345191. The next prime is 19835345237. The reversal of 19835345233 is 33254353891.

It can be written as a sum of positive squares in only one way, i.e., 19833933889 + 1411344 = 140833^2 + 1188^2 .

It is not a de Polignac number, because 19835345233 - 2³³ = 11245410641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19835345237) 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 5 ways as a sum of consecutive naturals, for example, 81964116 + ... + 81964357.

Almost surely, 2^19835345233 is an apocalyptic number.

It is an amenable number.

19835345233 is a deficient number, since it is larger than the sum of its proper divisors (1967141809).

19835345233 is a wasteful number, since it uses less digits than its factorization.

19835345233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163928495 (or 163928484 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 46.

The spelling of 19835345233 in words is "nineteen billion, eight hundred thirty-five million, three hundred forty-five thousand, two hundred thirty-three".