1344621651823 has 2 divisors, whose sum is σ = 1344621651824. Its totient is φ = 1344621651822.

The previous prime is 1344621651817. The next prime is 1344621651833. The reversal of 1344621651823 is 3281561264431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344621651823 - 2²⁹ = 1344084780911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344621651803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672310825911 + 672310825912.

It is an arithmetic number, because the mean of its divisors is an integer number (672310825912).

Almost surely, 2^{1344621651823} is an apocalyptic number.

1344621651823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344621651823 is an equidigital number, since it uses as much as digits as its factorization.

1344621651823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 46.

The spelling of 1344621651823 in words is "one trillion, three hundred forty-four billion, six hundred twenty-one million, six hundred fifty-one thousand, eight hundred twenty-three".