19296398449 has 4 divisors (see below), whose sum is σ = 19584404464. Its totient is φ = 19008392436.

The previous prime is 19296398441. The next prime is 19296398453. The reversal of 19296398449 is 94489369291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19296398449 - 2³ = 19296398441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19296398441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144002907 + ... + 144003040.

It is an arithmetic number, because the mean of its divisors is an integer number (4896101116).

Almost surely, 2^19296398449 is an apocalyptic number.

It is an amenable number.

19296398449 is a deficient number, since it is larger than the sum of its proper divisors (288006015).

19296398449 is an equidigital number, since it uses as much as digits as its factorization.

19296398449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288006014.

The product of its digits is 30233088, while the sum is 64.

The spelling of 19296398449 in words is "nineteen billion, two hundred ninety-six million, three hundred ninety-eight thousand, four hundred forty-nine".