1344881681279 has 12 divisors (see below), whose sum is σ = 1374370809000. Its totient is φ = 1316012565168.

The previous prime is 1344881681263. The next prime is 1344881681293. The reversal of 1344881681279 is 9721861884431.

It is not a de Polignac number, because 1344881681279 - 2⁴ = 1344881681263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344881681579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11914397 + ... + 12026745.

It is an arithmetic number, because the mean of its divisors is an integer number (114530900750).

Almost surely, 2^{1344881681279} is an apocalyptic number.

1344881681279 is a deficient number, since it is larger than the sum of its proper divisors (29489127721).

1344881681279 is an equidigital number, since it uses as much as digits as its factorization.

1344881681279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117862 (or 117815 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 62.

The spelling of 1344881681279 in words is "one trillion, three hundred forty-four billion, eight hundred eighty-one million, six hundred eighty-one thousand, two hundred seventy-nine".