1344646563363 has 36 divisors (see below), whose sum is σ = 2042216281560. Its totient is φ = 874406193120.

The previous prime is 1344646563343. The next prime is 1344646563389. The reversal of 1344646563363 is 3633656464431.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1344646563363 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 6 + 46 + 563 + 36 + 3 = 666.

It is not a de Polignac number, because 1344646563363 - 2¹⁰ = 1344646562339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1344646563343) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 247038720 + ... + 247044162.

Almost surely, 2^{1344646563363} is an apocalyptic number.

1344646563363 is a deficient number, since it is larger than the sum of its proper divisors (697569718197).

1344646563363 is an frugal number, since it uses more digits than its factorization.

1344646563363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10977 (or 5487 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 54.

The spelling of 1344646563363 in words is "one trillion, three hundred forty-four billion, six hundred forty-six million, five hundred sixty-three thousand, three hundred sixty-three".