1344555856199 has 2 divisors, whose sum is σ = 1344555856200. Its totient is φ = 1344555856198.

The previous prime is 1344555856181. The next prime is 1344555856271. The reversal of 1344555856199 is 9916585554431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344555856199 - 2²⁰ = 1344554807623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344555856499) 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 as a sum of consecutive naturals, namely, 672277928099 + 672277928100.

It is an arithmetic number, because the mean of its divisors is an integer number (672277928100).

Almost surely, 2^{1344555856199} is an apocalyptic number.

1344555856199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344555856199 is an equidigital number, since it uses as much as digits as its factorization.

1344555856199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640000, while the sum is 65.

The spelling of 1344555856199 in words is "one trillion, three hundred forty-four billion, five hundred fifty-five million, eight hundred fifty-six thousand, one hundred ninety-nine".