1344645322625 has 16 divisors (see below), whose sum is σ = 1830673488384. Its totient is φ = 977923870000.

The previous prime is 1344645322589. The next prime is 1344645322627. The reversal of 1344645322625 is 5262235464431.

It is not a de Polignac number, because 1344645322625 - 2¹⁰ = 1344645321601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344645322625.

It is not an unprimeable number, because it can be changed into a prime (1344645322627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488960561 + ... + 488963310.

It is an arithmetic number, because the mean of its divisors is an integer number (114417093024).

Almost surely, 2^{1344645322625} is an apocalyptic number.

It is an amenable number.

1344645322625 is a deficient number, since it is larger than the sum of its proper divisors (486028165759).

1344645322625 is an equidigital number, since it uses as much as digits as its factorization.

1344645322625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977923897 (or 977923887 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 47.

The spelling of 1344645322625 in words is "one trillion, three hundred forty-four billion, six hundred forty-five million, three hundred twenty-two thousand, six hundred twenty-five".