11444322419 has 4 divisors (see below), whose sum is σ = 11710469496. Its totient is φ = 11178175344.

The previous prime is 11444322413. The next prime is 11444322431. The reversal of 11444322419 is 91422344411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91422344411 = 3347 ⋅27314713.

It is a cyclic number.

It is not a de Polignac number, because 11444322419 - 2²⁴ = 11427545203 is a prime.

It is a super-2 number, since 2×11444322419² (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 (11444322413) 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, 133073474 + ... + 133073559.

It is an arithmetic number, because the mean of its divisors is an integer number (2927617374).

Almost surely, 2^11444322419 is an apocalyptic number.

11444322419 is a deficient number, since it is larger than the sum of its proper divisors (266147077).

11444322419 is an equidigital number, since it uses as much as digits as its factorization.

11444322419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266147076.

The product of its digits is 27648, while the sum is 35.

The spelling of 11444322419 in words is "eleven billion, four hundred forty-four million, three hundred twenty-two thousand, four hundred nineteen".