1344446668889 has 8 divisors (see below), whose sum is σ = 1361240697600. Its totient is φ = 1327712512896.

The previous prime is 1344446668879. The next prime is 1344446668913. The reversal of 1344446668889 is 9888666444431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344446668889 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1344446668879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14922989 + ... + 15012810.

It is an arithmetic number, because the mean of its divisors is an integer number (170155087200).

Almost surely, 2^{1344446668889} is an apocalyptic number.

It is an amenable number.

1344446668889 is a deficient number, since it is larger than the sum of its proper divisors (16794028711).

1344446668889 is an equidigital number, since it uses as much as digits as its factorization.

1344446668889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29936359.

The product of its digits is 764411904, while the sum is 71.

The spelling of 1344446668889 in words is "one trillion, three hundred forty-four billion, four hundred forty-six million, six hundred sixty-eight thousand, eight hundred eighty-nine".