19485382343 has 4 divisors (see below), whose sum is σ = 22269008400. Its totient is φ = 16701756288.

The previous prime is 19485382331. The next prime is 19485382391. The reversal of 19485382343 is 34328358491.

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

It is not a de Polignac number, because 19485382343 - 2⁸ = 19485382087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19485382291 and 19485382300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19485382313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391813018 + ... + 1391813031.

It is an arithmetic number, because the mean of its divisors is an integer number (5567252100).

Almost surely, 2^19485382343 is an apocalyptic number.

19485382343 is a deficient number, since it is larger than the sum of its proper divisors (2783626057).

19485382343 is an equidigital number, since it uses as much as digits as its factorization.

19485382343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783626056.

The product of its digits is 2488320, while the sum is 50.

The spelling of 19485382343 in words is "nineteen billion, four hundred eighty-five million, three hundred eighty-two thousand, three hundred forty-three".