1344660115549 has 2 divisors, whose sum is σ = 1344660115550. Its totient is φ = 1344660115548.

The previous prime is 1344660115531. The next prime is 1344660115573. The reversal of 1344660115549 is 9455110664431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 925649879449 + 419010236100 = 962107^2 + 647310^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344660115549 - 2⁵ = 1344660115517 is a prime.

It is a super-4 number, since 4×1344660115549⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344660119549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672330057774 + 672330057775.

It is an arithmetic number, because the mean of its divisors is an integer number (672330057775).

Almost surely, 2^{1344660115549} is an apocalyptic number.

It is an amenable number.

1344660115549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344660115549 is an equidigital number, since it uses as much as digits as its factorization.

1344660115549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 1344660115549 in words is "one trillion, three hundred forty-four billion, six hundred sixty million, one hundred fifteen thousand, five hundred forty-nine".