1344621504433 has 4 divisors (see below), whose sum is σ = 1345194417520. Its totient is φ = 1344048591348.

The previous prime is 1344621504407. The next prime is 1344621504481. The reversal of 1344621504433 is 3344051264431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344621504433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344621514433) 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 3 ways as a sum of consecutive naturals, for example, 286453023 + ... + 286457716.

It is an arithmetic number, because the mean of its divisors is an integer number (336298604380).

Almost surely, 2^{1344621504433} is an apocalyptic number.

It is an amenable number.

1344621504433 is a deficient number, since it is larger than the sum of its proper divisors (572913087).

1344621504433 is an equidigital number, since it uses as much as digits as its factorization.

1344621504433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572913086.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 1344621504433 its reverse (3344051264431), we get a palindrome (4688672768864).

The spelling of 1344621504433 in words is "one trillion, three hundred forty-four billion, six hundred twenty-one million, five hundred four thousand, four hundred thirty-three".