1344623261109 has 4 divisors (see below), whose sum is σ = 1792831014816. Its totient is φ = 896415507404.

The previous prime is 1344623261041. The next prime is 1344623261123. The reversal of 1344623261109 is 9011623264431.

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 1344623261109 - 2²⁰ = 1344622212533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344623261809) 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, 224103876849 + ... + 224103876854.

It is an arithmetic number, because the mean of its divisors is an integer number (448207753704).

Almost surely, 2^{1344623261109} is an apocalyptic number.

It is an amenable number.

1344623261109 is a deficient number, since it is larger than the sum of its proper divisors (448207753707).

1344623261109 is an equidigital number, since it uses as much as digits as its factorization.

1344623261109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448207753706.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 1344623261109 in words is "one trillion, three hundred forty-four billion, six hundred twenty-three million, two hundred sixty-one thousand, one hundred nine".