12244938719 has 4 divisors (see below), whose sum is σ = 13186857096. Its totient is φ = 11303020344.

The previous prime is 12244938707. The next prime is 12244938781. The reversal of 12244938719 is 91783944221.

It is a happy number.

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 12244938719 - 2⁴ = 12244938703 is a prime.

It is a super-5 number, since 5×12244938719⁵ (a number of 52 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244938799) 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, 470959169 + ... + 470959194.

It is an arithmetic number, because the mean of its divisors is an integer number (3296714274).

Almost surely, 2^12244938719 is an apocalyptic number.

12244938719 is a deficient number, since it is larger than the sum of its proper divisors (941918377).

12244938719 is an equidigital number, since it uses as much as digits as its factorization.

12244938719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941918376.

The product of its digits is 870912, while the sum is 50.

The spelling of 12244938719 in words is "twelve billion, two hundred forty-four million, nine hundred thirty-eight thousand, seven hundred nineteen".