1344621504403 has 8 divisors (see below), whose sum is σ = 1345512803040. Its totient is φ = 1343730336960.

The previous prime is 1344621504389. The next prime is 1344621504407. The reversal of 1344621504403 is 3044051264431.

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

It is a cyclic number.

It is not a de Polignac number, because 1344621504403 - 2²¹ = 1344619407251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344621504407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28350433 + ... + 28397821.

It is an arithmetic number, because the mean of its divisors is an integer number (168189100380).

Almost surely, 2^{1344621504403} is an apocalyptic number.

1344621504403 is a deficient number, since it is larger than the sum of its proper divisors (891298637).

1344621504403 is a wasteful number, since it uses less digits than its factorization.

1344621504403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65597.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 1344621504403 its reverse (3044051264431), we get a palindrome (4388672768834).

The spelling of 1344621504403 in words is "one trillion, three hundred forty-four billion, six hundred twenty-one million, five hundred four thousand, four hundred three".