19135485323 has 4 divisors (see below), whose sum is σ = 19652660640. Its totient is φ = 18618310008.

The previous prime is 19135485301. The next prime is 19135485373. The reversal of 19135485323 is 32358453191.

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

It is a cyclic number.

It is not a de Polignac number, because 19135485323 - 2¹⁰ = 19135484299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19135485373) 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, 258587603 + ... + 258587676.

It is an arithmetic number, because the mean of its divisors is an integer number (4913165160).

Almost surely, 2^19135485323 is an apocalyptic number.

19135485323 is a deficient number, since it is larger than the sum of its proper divisors (517175317).

19135485323 is an equidigital number, since it uses as much as digits as its factorization.

19135485323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517175316.

The product of its digits is 388800, while the sum is 44.

The spelling of 19135485323 in words is "nineteen billion, one hundred thirty-five million, four hundred eighty-five thousand, three hundred twenty-three".