1344645443163 has 16 divisors (see below), whose sum is σ = 2023290950400. Its totient is φ = 786835368480.

The previous prime is 1344645443147. The next prime is 1344645443173. The reversal of 1344645443163 is 3613445464431.

It is not a de Polignac number, because 1344645443163 - 2⁴ = 1344645443147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1344645443173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702530623 + ... + 702532536.

It is an arithmetic number, because the mean of its divisors is an integer number (126455684400).

Almost surely, 2^{1344645443163} is an apocalyptic number.

1344645443163 is a deficient number, since it is larger than the sum of its proper divisors (678645507237).

1344645443163 is a wasteful number, since it uses less digits than its factorization.

1344645443163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405063202.

The product of its digits is 4976640, while the sum is 48.

The spelling of 1344645443163 in words is "one trillion, three hundred forty-four billion, six hundred forty-five million, four hundred forty-three thousand, one hundred sixty-three".