19483834369 has 4 divisors (see below), whose sum is σ = 19656257796. Its totient is φ = 19311410944.

The previous prime is 19483834333. The next prime is 19483834399. The reversal of 19483834369 is 96343838491.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96343838491 = 101 ⋅953899391.

It can be written as a sum of positive squares in 2 ways, for example, as 4724500225 + 14759334144 = 68735^2 + 121488^2 .

It is a cyclic number.

It is not a de Polignac number, because 19483834369 - 2⁹ = 19483833857 is a prime.

It is a super-2 number, since 2×19483834369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19483834399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86211544 + ... + 86211769.

It is an arithmetic number, because the mean of its divisors is an integer number (4914064449).

Almost surely, 2^19483834369 is an apocalyptic number.

It is an amenable number.

19483834369 is a deficient number, since it is larger than the sum of its proper divisors (172423427).

19483834369 is a wasteful number, since it uses less digits than its factorization.

19483834369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172423426.

The product of its digits is 13436928, while the sum is 58.

The spelling of 19483834369 in words is "nineteen billion, four hundred eighty-three million, eight hundred thirty-four thousand, three hundred sixty-nine".